Journal Description
Cosmetics
Cosmetics
is an international, scientific, peer-reviewed, open access journal on the science and technology of cosmetics published bimonthly online by MDPI.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- High Visibility: indexed within Scopus, ESCI (Web of Science), CAPlus / SciFinder, and other databases.
- Journal Rank: JCR - Q1 (Dermatology) / CiteScore - Q1 (Surgery)
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 22.5 days after submission; acceptance to publication is undertaken in 3.9 days (median values for papers published in this journal in the first half of 2025).
- Recognition of Reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any MDPI journal, in appreciation of the work done.
Impact Factor:
3.2 (2024);
5-Year Impact Factor:
3.9 (2024)
Latest Articles
Evaluating the Effect of Fresh and Aged Antioxidant Formulations in Skin Protection Against UV Damage
Cosmetics 2025, 12(4), 166; https://doi.org/10.3390/cosmetics12040166 - 7 Aug 2025
Abstract
Introduction: Extrinsic skin damage is often a result of oxidative stress caused by exposure to environmental factors such as ultraviolet (UV) radiation, ozone (O3), and various pollutants. As a result, topical antioxidants have been evaluated for their effectiveness in mitigating
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Introduction: Extrinsic skin damage is often a result of oxidative stress caused by exposure to environmental factors such as ultraviolet (UV) radiation, ozone (O3), and various pollutants. As a result, topical antioxidants have been evaluated for their effectiveness in mitigating or reversing skin damage caused by environmental factors. Topical antioxidants containing a combination of l-ascorbic acid, tocopherol, and ferulic acid have significantly improved markers of skin health after exposure to environment-induced skin damage. However, research suggests that l-ascorbic acid and tocopherol tend to be relatively unstable, possibly affecting their efficacy against outdoor stressor damage. It has been shown that ferulic acid significantly improves the stability of both l-ascorbic acid and tocopherol, but its long-term stabilization effects on these antioxidants are relatively unknown. Material and Methods: This study evaluated the time-dependent effectiveness of a topical antioxidant mix containing 15% l-ascorbic acid, 1% tocopherol, and 0.5% ferulic acid (AOX) on UV-induced skin damage. Skin biopsies (12 mm, n = 60) were placed in a 6-well plate with medium and incubated at 37 °C and 5% CO2 overnight. The day after, skin samples were pretreated with 10 µL of differently aged AOX (0-, 6-, 12-, and 36-month-old) and then exposed to different doses of UV light (100, 200, 400 mJ/cm2) daily over four days. AOX formulations were stored in a cool, dry, and dark place at approximately 20–22 °C during the whole study. This study evaluated 4-hydroxynonenal (4-HNE) and 8-hydroxy-2′-deoxyguanosine (8-OHdG) as oxidative damage and skin DNA damage markers, Collagen1 and Filaggrin as skin structure, and IL-8 and Nrf2 as inflammatory and defensive response. Results: UV exposure significantly increased oxidative and inflammatory markers in human skin explants affecting also filaggrin and collagen levels. However, pre-treatment with the antioxidant formulation, particularly in its younger formulations (0-, 6-, and 12-month-old), significantly reduced the damaging effect of UV. Additionally, all antioxidant formulations effectively mitigated UV-induced damage across all doses. Conclusions: Our results indicate that pre-treatment with this formulation consistently reduces UV-induced oxidative damage and DNA damage in human skin explants, regardless of the formulation age and the discoloration state. Although effective, the protective capacity of aged formulations may be reduced only when extreme UV exposure is tested, a condition that is unlikely to occur under typical environmental conditions. These results support ferulic acid as a stabilization agent for topical antioxidant mixtures.
Full article
(This article belongs to the Section Cosmetic Formulations)
Open AccessArticle
Metagenomic Analysis of the Skin Microbiota of Brazilian Women: How to Develop Anti-Aging Cosmetics Based on This Knowledge?
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Raquel Allen Garcia Barbeto Siqueira, Ana Luiza Viana Pequeno, Yasmin Rosa Santos, Romualdo Morandi-Filho, Alexandra Lan, Edileia Bagatin, Vânia Rodrigues Leite-Silva, Newton Andreo-Filho and Patricia Santos Lopes
Cosmetics 2025, 12(4), 165; https://doi.org/10.3390/cosmetics12040165 - 5 Aug 2025
Abstract
Metagenomic studies have provided deeper insights into the complex interactions between the skin and its microbiota. However, limited research has been conducted on the skin microbiota of Brazilian women. Given that Brazil ranks as the fourth-largest consumer of cosmetics worldwide, the development of
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Metagenomic studies have provided deeper insights into the complex interactions between the skin and its microbiota. However, limited research has been conducted on the skin microbiota of Brazilian women. Given that Brazil ranks as the fourth-largest consumer of cosmetics worldwide, the development of new tools to analyze skin microbiota is crucial for formulating cosmetic products that promote a healthy microbiome. Skin samples were analyzed using the Illumina platform. Biometrology assessments were applied. The results showed pH variations were more pronounced in the older age group, along with higher transepidermal water loss values. Metagenomic analysis showed a predominance of Actinobacteria (83%), followed by Proteobacteria (7%), Firmicutes (9%) and Bacteroidetes (1%). In the older group (36–45 years old), an increase in Actinobacteria (87%) was observed and a decrease in Proteobacteria (6%). Moreover, the results differ from the international literature, since an increase in proteobacteria (13.9%) and a decrease in actinobacteria (46.7%) were observe in aged skin. The most abundant genus identified was Propionibacterium (84%), being the dominant species. Interestingly, previous studies have suggested a decline in Cutibacterium abundance with aging; although there is no significant difference, it is possible to observe an increasing trend in this genus in older skin. These studies can clarify many points about the skin microbiota of Brazilian women, and these findings could lead to the development of new cosmetics based on knowledge of the skin microbiome.
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(This article belongs to the Special Issue Feature Papers in Cosmetics in 2025)
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Open AccessArticle
Investigating the Behavior of a Natural Emulsifier in One-Pot and Standard Cosmetic Emulsions
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Mauro Battaiotto, Paolo Sonzini, Simone Conti, Miryam Chiara Malacarne and Enrico Caruso
Cosmetics 2025, 12(4), 164; https://doi.org/10.3390/cosmetics12040164 - 5 Aug 2025
Abstract
The cosmetic industry is growing at an impressive rate worldwide. In the cosmetic field, natural-origin ingredients represent the new frontier in this industry. Among the main components of cosmetics, lipids, emulsifiers, rheological modifiers, preservatives, colorants, and antioxidants can be found. These compounds form
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The cosmetic industry is growing at an impressive rate worldwide. In the cosmetic field, natural-origin ingredients represent the new frontier in this industry. Among the main components of cosmetics, lipids, emulsifiers, rheological modifiers, preservatives, colorants, and antioxidants can be found. These compounds form emulsions, which are among the main cosmetic formulations. An important aspect in this regard is the evaluation of emulsions’ stability over time and emulsions’ production methodology. In this paper, a comparison is made between two emulsion production technologies, the Standard and the “One-Pot” methods, through the characterization of the raw material ABWAX® Revomul, a multifunctional wax for cosmetic use which consists of a low-melting structuring wax of vegetal origin (Rhus wax) and a natural emulsifier (Polyglyceril-3 Stearate). First, we evaluated the affinity between the wax raw materials and emollients of different chemical nature; then, we analyzed the impact of the production method on the emulsions to identify similarities and differences. ABWAX® Revomul demonstrated a high level of effectiveness in regard to stabilizing water-in-oil emulsions. This study suggests that from an industrial point of view, the application of the two procedures allows products with different characteristics to be obtained, consequently allowing a specific method to be chosen to obtain the desired product.
Full article
(This article belongs to the Special Issue Advanced Cosmetic Sciences: Sustainability in Materials and Processes)
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Open AccessArticle
Peony Root Extract Controls AGE–RAGE Interaction, Suppresses AGE Formation, and Reduces Skin Dullness
by
Kyoko Kanai, Kazal Boron Biswas, Asuka Hirasawa, Misaki Futamura, Kiyotaka Tanaka and Kotaro Sakamoto
Cosmetics 2025, 12(4), 163; https://doi.org/10.3390/cosmetics12040163 - 4 Aug 2025
Abstract
Skin dullness contributes to a fatigued and aged appearance, often exceeding one’s biological age. It is a common dermatological concern influenced by aging and poor lifestyle habits, regardless of ethnicity or age. This study aimed to examine advanced glycation end products (AGEs) and
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Skin dullness contributes to a fatigued and aged appearance, often exceeding one’s biological age. It is a common dermatological concern influenced by aging and poor lifestyle habits, regardless of ethnicity or age. This study aimed to examine advanced glycation end products (AGEs) and their receptor (receptor for AGEs [RAGE]) as contributing factors to skin dullness. AGEs themselves have a yellowish hue, contributing to “yellow dullness.” Additionally, AGE–RAGE signaling promotes melanin production in melanocytes and impairs keratinocyte differentiation as a result of inflammation. Therefore, regulating the AGE–RAGE interaction may help reduce skin dullness. Through screening various natural ingredients, we found that peony root extract (PRE) inhibits AGE formation and blocks AGE–RAGE binding. Furthermore, the presence of PRE leads to the suppression of AGE-induced melanin production in melanocytes and the restoration of impaired keratinocyte differentiation in glycated basement membrane components. In a human clinical study, topical application of a 1% PRE-containing lotion for 2 weeks significantly reduced melanin content, with a trend toward decreased AGE accumulation and visible spots on the cheeks. These findings support the potential of PRE as a multifunctional cosmetic ingredient that comprehensively addresses skin dullness by modulating the AGE–RAGE interaction.
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(This article belongs to the Special Issue Skin Anti-Aging Strategies)
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Open AccessCorrection
Correction: Wang et al. Effects of Retinol and Retinyl Palmitate on UV-Induced Skin Ageing and Therapeutic Enhancement. Cosmetics 2025, 12, 68
by
Yuan Wang, Xin Nie, Jiangming Zhong, Jing Wang, Lanyue Zhang and Peng Shu
Cosmetics 2025, 12(4), 162; https://doi.org/10.3390/cosmetics12040162 - 4 Aug 2025
Abstract
In the publication [...]
Full article
(This article belongs to the Section Cosmetic Dermatology)
Open AccessReview
Lip Photoprotection Patents (2014–2024): Key Trends and Emerging Technologies
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Vanessa Urrea-Victoria, Ana Sofia Guerrero Casas, Leonardo Castellanos, Mairim Russo Serafini and Diana Marcela Aragón Novoa
Cosmetics 2025, 12(4), 161; https://doi.org/10.3390/cosmetics12040161 - 29 Jul 2025
Abstract
The lips, due to their unique anatomical characteristics of a thin stratum corneum, the absence of sebaceous glands, and limited melanin content are particularly vulnerable to ultraviolet (UV) radiation, necessitating specialized photoprotective care. While facial sunscreens are widely available, the development of lip-specific
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The lips, due to their unique anatomical characteristics of a thin stratum corneum, the absence of sebaceous glands, and limited melanin content are particularly vulnerable to ultraviolet (UV) radiation, necessitating specialized photoprotective care. While facial sunscreens are widely available, the development of lip-specific sun protection products remains underexplored. This study aims to analyze technological trends and innovations in lip photoprotection by reviewing patents published between 2014 and 2024. A comprehensive patent search using the IPC code A61Q19 and the keywords “lip” and “sunscreen” identified 17 relevant patents across China, the United States, and Japan. The patents were examined for active ingredients, formulation strategies, and use of botanical or sustainable excipients. The findings revealed that patented formulations predominantly rely on well-established UV filters such as zinc oxide, titanium dioxide, octyl methoxycinnamate, and avobenzone, often combined with antioxidants like ferulic acid and rutin for enhanced efficacy. Lipid-based excipients were widely used to improve texture, hydration, and product stability. Although many formulations exhibit a conservative ingredient profile, the strategic combination of UV filters with natural antioxidants and moisturizing lipids demonstrates a multifunctional approach aimed at enhancing both protection and user experience.
Full article
(This article belongs to the Special Issue Sunscreen Advances and Photoprotection Strategies in Cosmetics)
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Open AccessArticle
Exploring the Antioxidant and Preservative Potential of Lippia origanoides Kunth Essential Oil in Pure and Encapsulated Forms for Cosmetic Applications
by
M. Fernanda Lopes, Sandra M. Gomes, Wanderley P. Oliveira and Lúcia Santos
Cosmetics 2025, 12(4), 160; https://doi.org/10.3390/cosmetics12040160 - 28 Jul 2025
Abstract
The increasing demand for sustainable and safer alternatives in the cosmetic industry has driven the search for multifunctional natural ingredients. Essential oils (EOs), known for their antimicrobial and antioxidant activities, are promising candidates with which to replace synthetic preservatives and antioxidants. This study
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The increasing demand for sustainable and safer alternatives in the cosmetic industry has driven the search for multifunctional natural ingredients. Essential oils (EOs), known for their antimicrobial and antioxidant activities, are promising candidates with which to replace synthetic preservatives and antioxidants. This study aimed to evaluate the preservative and antioxidant potential of Lippia origanoides Kunth essential oil, in pure and encapsulated in β-cyclodextrin form, for cosmetic applications. The EO exhibited strong antioxidant activity, with low IC50 values in DPPH and ABTS assays, and demonstrated antimicrobial efficacy, particularly against Escherichia coli and Staphylococcus aureus. Six cosmetic cream formulations were developed and tested for physicochemical and microbiological stability. Formulations with pure EO maintained high antioxidant performance and remained free of bacterial and fungal contamination over time, outperforming the commercial preservatives. In contrast, formulations with encapsulated EO exhibited delayed antioxidant and antimicrobial activity, indicating gradual release. Overall, Lippia origanoides EO proved to be an effective natural alternative to synthetic preservatives and antioxidants. This approach aligns with the current trend of eco-friendly formulations, offering a sustainable solution by incorporating plant-derived bioactives into cosmetic products.
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(This article belongs to the Special Issue Feature Papers in Cosmetics in 2025)
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Open AccessArticle
Blackberry (Rubus spp. Xavante Cultivar) Oil-Loaded PCL Nanocapsules: Sustainable Bioactive for In Vitro Collagen-Boosting Skincare
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Daniela F. Maluf, Brenda A. Lopes, Mariana D. Miranda, Luana C. Teixeira, Ana P. Horacio, Amanda Jansen, Madeline S. Correa, Guilherme dos Anjos Camargo, Jessica Mendes Nadal, Jane Manfron, Patrícia M. Döll-Boscardin and Paulo Vitor Farago
Cosmetics 2025, 12(4), 159; https://doi.org/10.3390/cosmetics12040159 - 25 Jul 2025
Abstract
Background: Blackberry seed oil (BSO), obtained from Rubus spp. Xavante cultivar via supercritical CO2 extraction, contains bioactive lipids and antioxidants, but its cosmetic application is limited by poor solubility and stability. Nanoencapsulation with poly(ε-caprolactone) (PCL) can overcome these limitations. Methods: BSO was
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Background: Blackberry seed oil (BSO), obtained from Rubus spp. Xavante cultivar via supercritical CO2 extraction, contains bioactive lipids and antioxidants, but its cosmetic application is limited by poor solubility and stability. Nanoencapsulation with poly(ε-caprolactone) (PCL) can overcome these limitations. Methods: BSO was characterized by Ultra-High-Performance Liquid Chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry and incorporated into PCL nanocapsules (NCBSO) using the preformed polymer deposition method. Physicochemical properties, stability (at 4 °C, room temperature, and 37 °C for 90 days), cytotoxicity, and collagen production were assessed in human fibroblasts. Additionally, a predictive in silico analysis using PASS Online, Molinspiration, and SEA platforms was performed to identify the bioactivities of major BSO compounds related to collagen synthesis, antioxidant potential, and anti-aging effects. Results: NCBSO showed a nanometric size of ~267 nm, low polydispersity (PDI < 0.2), negative zeta potential (−28 mV), and spherical morphology confirmed by FE-SEM. The dispersion remained stable across all tested temperatures, preserving pH and colloidal properties. In particular, BSO and NCBSO at 100 µg.mL−1 significantly enhanced in vitro collagen production by 170% and 200%, respectively, compared to untreated cells (p < 0.01). Superior bioactivity was observed for NCBSO. The in silico results support the role of key compounds in promoting collagen biosynthesis and protecting skin structure. No cytotoxic effects were achieved. Conclusions: The nanoencapsulation of BSO into PCL nanocapsules ensured formulation stability and potentiated collagen production. These findings support the potential of NCBSO as a promising candidate for future development as a collagen-boosting cosmeceutical.
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(This article belongs to the Special Issue Advanced Cosmetic Sciences: Sustainability in Materials and Processes)
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Open AccessArticle
Dynamic vs. Static Light Scattering: Evaluating the Tandem Use of Dynamic Light Scattering and Optical Microscopy as an Attractive Alternative for Oleosomes Size Characterization
by
Idit Yuli, Lotan Ben Yakov, Ariel Gliksberg and Paul Salama
Cosmetics 2025, 12(4), 158; https://doi.org/10.3390/cosmetics12040158 - 25 Jul 2025
Abstract
Accurate characterization of oleosome particle size distribution is needed for understanding their functionality in various applications. Traditionally, high-cost methods such as static laser diffraction and confocal or electron microscopy have been used. The current study presents a cost-effective alternative by combining optical microscopy
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Accurate characterization of oleosome particle size distribution is needed for understanding their functionality in various applications. Traditionally, high-cost methods such as static laser diffraction and confocal or electron microscopy have been used. The current study presents a cost-effective alternative by combining optical microscopy (OM) with image analysis and dynamic light scattering (DLS) to evaluate particle size distribution in safflower (Carthamus tinctorius) oleosomes. Monodisperse and polydisperse standards (2 µm and 1–10 µm, respectively) were selected to validate instrument performance. The use of a smaller cuvette with a shorter path length in DLS extended its detection capabilities by minimizing multiple scattering and thermal effects. DLS and OM produced relatively consistent results, accurate particles’ diameters and distribution widths that agreed well with the standards. In contrast, static light scattering (SLS) showed strong sensitivity to the weighting method used (by number vs. by volume). In the case of polydisperse standard, volume-weighted SLS overestimated the particle size and yielded a broader distribution with a span of 2.2 compared to a span value of 0.8 as reported by the supplier. These findings highlight the importance of method selection and demonstrate the potential of combining DLS and OM as a practical and reliable approach for oleosome characterization.
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(This article belongs to the Section Cosmetic Technology)
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Open AccessReview
Artificial Intelligence in Cosmetic Formulation: Predictive Modeling for Safety, Tolerability, and Regulatory Perspectives
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Antonio Di Guardo, Federica Trovato, Carmen Cantisani, Annunziata Dattola, Steven P. Nisticò, Giovanni Pellacani and Alessia Paganelli
Cosmetics 2025, 12(4), 157; https://doi.org/10.3390/cosmetics12040157 - 24 Jul 2025
Abstract
Artificial intelligence (AI) and machine learning (ML) are increasingly transforming the landscape of cosmetic formulation, enabling the development of safer, more effective, and personalized products. This article explores how AI-driven predictive modeling is applied across various components of cosmetic products, including surfactants, polymers,
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Artificial intelligence (AI) and machine learning (ML) are increasingly transforming the landscape of cosmetic formulation, enabling the development of safer, more effective, and personalized products. This article explores how AI-driven predictive modeling is applied across various components of cosmetic products, including surfactants, polymers, fragrances, preservatives, antioxidants, and prebiotics. These technologies are employed to forecast critical properties such as texture, stability, and shelf-life, optimizing both product performance and user experience. The integration of computational toxicology and ML algorithms also allows for early prediction of skin sensitization risks, including the likelihood of adverse events such as allergic contact dermatitis. Furthermore, AI models can support efficacy assessment, bridging formulation science with dermatological outcomes. The article also addresses the ethical, regulatory, and safety challenges associated with AI in cosmetic science, underlining the need for transparency, accountability, and harmonized standards. The potential of AI to reshape dermocosmetic innovation is vast, but it must be approached with robust oversight and a commitment to user well-being.
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(This article belongs to the Special Issue Feature Papers in Cosmetics in 2025)
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Open AccessArticle
Recombinant Type XVII Collagen Promotes Hair Growth by Activating the Wnt/β-Catenin and SHH/GLI Signaling Pathways
by
Yuyao Zhang, Shiyu Yin, Ru Xu, Jiayu Xiao, Rui Yi, Jiahui Mao, Zhiguang Duan and Daidi Fan
Cosmetics 2025, 12(4), 156; https://doi.org/10.3390/cosmetics12040156 - 23 Jul 2025
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(1) Background: As society progresses, increasing numbers of individuals are experiencing hair loss, which can be attributed to factors such as unhealthy diets, insufficient sleep, stress, and hormonal imbalances. Currently available pharmacological treatments for hair loss often cause undesirable side effects, highlighting the
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(1) Background: As society progresses, increasing numbers of individuals are experiencing hair loss, which can be attributed to factors such as unhealthy diets, insufficient sleep, stress, and hormonal imbalances. Currently available pharmacological treatments for hair loss often cause undesirable side effects, highlighting the urgent need to explore safer and more effective agents to promote hair restoration. This study investigated the role of recombinant human type XVII collagen derived from the α1 chain (rhCOL17A1) in facilitating hair growth and restoration. (2) Methods: We analyzed the impact of rhCOL17A1 on the mRNA expression of several growth factors, as well as Bcl-2 and Bax, at the cellular level. Moreover, the effects of rhCOL17A1 on the expression of key proteins in the Wnt/β-catenin and Sonic Hedgehog (SHH)/GLI signaling pathways were examined by Western blotting (WB). At the organismal level, we established a model in C57BL/6 mice through chronic subcutaneous administration of 5% testosterone propionate. We subsequently assessed the effect of rhCOL17A1 on hair regrowth via histological analysis using hematoxylin and eosin (H&E) staining and immunofluorescence staining. (3) Results: rhCOL17A1 contributes to the resistance of hair follicle dermal papilla cells (HFDPCs) to apoptosis. rhCOL17A1 activates the Wnt/β-catenin and SHH/GLI signaling pathways, and increases the expression of type XVII collagen (COLXVII), thereby creating a favorable environment for hair growth. Furthermore, rhCOL17A1 exerts a significant growth-promoting effect at the animal level. (4) Conclusions: rhCOL17 promotes hair growth by activating the Wnt/β-catenin and SHH/GLI signaling pathways and upregulating COLXVII expression.
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Open AccessArticle
Prospective Evaluation of a Thermogenic Topical Cream-Gel Containing Caffeine, Genistein, and Botanical Extracts for the Treatment of Moderate to Severe Cellulite
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Vittoria Giulia Bianchi, Matteo Riccardo Di Nicola, Anna Cerullo, Giovanni Paolino and Santo Raffaele Mercuri
Cosmetics 2025, 12(4), 155; https://doi.org/10.3390/cosmetics12040155 - 21 Jul 2025
Abstract
Cellulite, characterised by cutaneous dimpling, surface irregularities, and dermal atrophy skin texture, affects up to 90% of post-pubertal females. It is a multifactorial condition involving anatomical, hormonal, and metabolic components, primarily affecting the thighs and buttocks. Despite numerous available therapies, there remains a
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Cellulite, characterised by cutaneous dimpling, surface irregularities, and dermal atrophy skin texture, affects up to 90% of post-pubertal females. It is a multifactorial condition involving anatomical, hormonal, and metabolic components, primarily affecting the thighs and buttocks. Despite numerous available therapies, there remains a high demand for effective, non-invasive, and well-tolerated treatment options. This single-centre, in vivo, prospective study evaluated the efficacy of a non-pharmacological, thermogenic topical cream-gel combined with manual massage in women with symmetrical grade II or III cellulite (Nürnberger–Müller scale). A total of 56 female participants (aged 18–55 years) were enrolled and instructed to apply the product twice daily for eight weeks to the thighs and buttocks. Efficacy was assessed using instrumental skin profilometry (ANTERA® 3D CS imaging system), dermatological clinical grading, and patient self-assessment questionnaires. Quantitative analysis showed a mean reduction of 23.5% in skin indentation volume (p < 0.01) and a mean decrease of 1.1 points on the cellulite severity scale by week 8. Patient-reported outcomes revealed 85.7% satisfaction with visible results and 91% satisfaction with product texture and ease of application. Dermatological evaluation confirmed no clinically significant adverse reactions, and only 3.5% of participants reported mild and transient skin sensitivity. These findings suggest that this topical cream-gel formulation, when used in conjunction with manual massage, represents a well-tolerated and non-invasive option for the cosmetic improvement of moderate to severe cellulite.
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(This article belongs to the Section Cosmetic Dermatology)
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Open AccessArticle
Ethnic Differences in Women’s Perception of Simulated Facial Aging over a 15-Year Horizon: A GAN-Based Model Approach
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Frederic Flament, Panagiotis-Alexandros Bokaris, Julien Despois, Frederic Woodland, Adrien Chretien, Paul Tartrat and Guive Balooch
Cosmetics 2025, 12(4), 154; https://doi.org/10.3390/cosmetics12040154 - 21 Jul 2025
Abstract
This study assessed the accuracy of a long-term AI-based projection of signs of facial aging and their acceptance by consumers. Standardized photographs of 25 Chinese and 25 French women were first taken at T0 and graded using ethnic-specific skin aging atlases. An AI-based
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This study assessed the accuracy of a long-term AI-based projection of signs of facial aging and their acceptance by consumers. Standardized photographs of 25 Chinese and 25 French women were first taken at T0 and graded using ethnic-specific skin aging atlases. An AI-based algorithm then aged the photographs by 10 (T10) and 15 (T15) years. A total of 246 women from China, France, and Thailand compared these images in pairs (T0 vs. T0 + 10 or T0 + 15) and provided feedback on their overall impressions, realism, and psychological acceptance via a questionnaire. Besides lower face ptosis (p < 0.01), the simulated images revealed that regardless of ethnicity, there were no significant differences in grading. Irrespective of ethnic background, 62–78% of overall panelists found the projections realistic and liked them, while 85–96% of panelists (Chinese and French) were willing to test them. A total of 47% of Thai panelists were reluctant to try, while 4–14% found it scary. This indicated some degree of cultural influence. This study confirms women’s acceptance of future facial appearance with some degree of cultural divergence. It also highlights a valid methodology to explore skin aging for a more realistic and personalized cosmetic improvement and innovation.
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(This article belongs to the Section Cosmetic Dermatology)
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Open AccessArticle
Safety Validation of Plant-Derived Materials for Skin Application
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Euihyun Kim, Hyo Hyun Seo, Dong Sun Shin, Jihyeok Song, Seon Kyu Yun, Jeong Hun Lee and Sang Hyun Moh
Cosmetics 2025, 12(4), 153; https://doi.org/10.3390/cosmetics12040153 - 21 Jul 2025
Abstract
The cosmetic industry faces a critical need to balance commercial innovation with scientific validation, especially regarding the safety and efficacy of raw materials. Plant-derived materials (PDMs) offer a promising alternative to animal-derived ingredients in cosmetics, particularly due to their safety and compliance with
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The cosmetic industry faces a critical need to balance commercial innovation with scientific validation, especially regarding the safety and efficacy of raw materials. Plant-derived materials (PDMs) offer a promising alternative to animal-derived ingredients in cosmetics, particularly due to their safety and compliance with vegan and ethical standards. Unlike compounds such as polydeoxyribonucleotide (PDRN), which is derived from the testis or seminal fluid of Salmonidae species and raises concerns regarding its origin, sustainability, and consumer acceptability, PDMs provide a cleaner, ethically preferable profile. In this study, we evaluated 50 PDM candidates using in vitro cell viability, wound healing, and immunocytochemistry assays, along with primary skin irritation tests in human participants. None of the samples showed harmful effects. Notably, sample Nos. 38 and 42 demonstrated significant wound-healing capacity and upregulated filaggrin expression without causing notable irritation in clinical testing. These findings support the biological activity and safety of specific PDMs as functional cosmetic ingredients. This study presents scientifically validated evidence for plant-based alternatives to animal-derived materials and offers a new milestone in the shift toward sustainable and ethical cosmetic development. By bridging the gap between consumer demand and scientific rigor, this study provides a robust platform for future innovations in vegan cosmetics.
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(This article belongs to the Special Issue Fine Chemicals from Natural Sources with Potential Application in the Cosmetic/Pharmaceutical Industry—Volume 2)
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Open AccessArticle
Comparative Study of a Topical and Oral Combination Therapy Containing Oleanolic Acid, Apigenin, and Biotinyl Tripeptide-1 in Patients with Androgenetic Alopecia: A Prospective, Open-Label Trial
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Vlad-Mihai Voiculescu and Mihai Lupu
Cosmetics 2025, 12(4), 152; https://doi.org/10.3390/cosmetics12040152 - 16 Jul 2025
Abstract
Background: Androgenetic alopecia (AGA) is a prevalent condition characterized by progressive follicular miniaturization. Minoxidil topical treatment and finasteride oral treatment are the golden standard, but they are limited by local and systemic adverse effects. Combination therapies targeting both follicular stimulation and nutritional support
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Background: Androgenetic alopecia (AGA) is a prevalent condition characterized by progressive follicular miniaturization. Minoxidil topical treatment and finasteride oral treatment are the golden standard, but they are limited by local and systemic adverse effects. Combination therapies targeting both follicular stimulation and nutritional support may enhance clinical outcomes. Objective: To evaluate the efficacy of a combined topical and oral therapy compared to topical monotherapy in patients with AGA using trichoscopic and clinical parameters. Methods: In this open-label, prospective trial, 48 patients were assigned to receive either a topical spray alone (Group A) or in combination with oral capsules (Group B) for 3 months. Trichoscopic parameters were assessed at baseline and post-treatment. Paired and independent t-tests, along with Cohen’s d effect sizes, were used to evaluate intra- and inter-group changes. Results: Both groups demonstrated improvements in hair density, thickness, and anagen/telogen ratio. Group B exhibited significantly greater increases in total hair count and anagen conversion (p < 0.05). The effect sizes ranged from small to large, with the most pronounced changes observed in anagen/telogen ratio (Cohen’s d = 0.841) in males. Conclusions: The combination of topical and oral treatment led to greater trichologic improvements than topical therapy alone. While extrapolated projections at 6 and 12 months suggest continued benefit, future studies with longer duration and placebo controls are required to validate these findings.
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(This article belongs to the Section Cosmetic Formulations)
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Open AccessArticle
Unlocking the Skin Health-Promoting Ingredients of Honeysuckle (Lonicera japonica Thunberg) Flower-Loaded Polyglycerol Fatty Acid Ester-Based Low-Energy Nanoemulsions
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Nara Yaowiwat, Pingtawan Bunmark, Siripat Chaichit, Worrapan Poomanee and Karnkamol Trisopon
Cosmetics 2025, 12(4), 151; https://doi.org/10.3390/cosmetics12040151 - 15 Jul 2025
Abstract
This study aims to provide a comprehensive evaluation of the bioactive compounds present in honeysuckle flower (Lonicera japonica Thunb.) extract (HSF) and their remarkable antioxidant activity. A docking simulation was performed to clarify the binding affinities of the identified phytochemicals to enzymes
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This study aims to provide a comprehensive evaluation of the bioactive compounds present in honeysuckle flower (Lonicera japonica Thunb.) extract (HSF) and their remarkable antioxidant activity. A docking simulation was performed to clarify the binding affinities of the identified phytochemicals to enzymes associated with anti-aging and anti-inflammatory activities. In addition, the low-energy nanoemulsions based on optimally formulated polyglycerol fatty acid esters (PGFEs), developed through D-optimality, were designed for the incorporation of HSF extract. The result revealed that HSF is a rich source of diverse phenolic and flavonoid compounds that contribute to its remarkable antioxidant capacity. Molecular docking analysis indicates that its compounds exhibit anti-aging and anti-inflammatory activities, particularly through collagenase, hyaluronidase, and TNF-α inhibition. Furthermore, D-optimality revealed that HSF-loaded nanoemulsions can be fabricated by a surfactant to oil ratio (SOR) of 2:1 with a ratio of low hydrophilic-lipophilic balance (HLB) surfactant to high HLB surfactant (LHR) of 1:2. Polyglyceryl-6 laurate as a high HLB surfactant produced the optimal nanoemulsion with small particle size and possessed an encapsulation efficiency (EE) of 74.32 ± 0.19%. This is the first report to combine D-optimal design-based nanoemulsion development with a multi-level analysis of HSF, including phytochemical profiling, antioxidant evaluation, and in silico molecular docking. These findings highlight that HSF-loaded polyglycerol fatty acid ester-based nanoemulsions could be a skin health-promoting ingredient and effective alternative for a variety of skincare applications.
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(This article belongs to the Section Cosmetic Formulations)
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Open AccessArticle
Unlocking Nature’s Anti-Aging Secrets: The Potential of Natural Mineral Waters Combined with Plant Extracts in Cosmetics
by
Ana Rita Gama, Carolina P. Gomes, Cátia Caetano, Ana Sofia Oliveira, Joana Rolo, Lillian Barros, Paula Plasencia, Juliana Garcia, Daniela Correia, Maria José Alves, José Martinez-de-Oliveira, Ana Palmeira-de-Oliveira and Rita Palmeira-de-Oliveira
Cosmetics 2025, 12(4), 150; https://doi.org/10.3390/cosmetics12040150 - 14 Jul 2025
Abstract
Skin aging is influenced by intrinsic and extrinsic factors, leading to structural changes in the skin. Current anti-aging cosmetic trends emphasize innovative natural ingredients, including plant extracts, thermal waters, and botanical hydrolats. This work aims to develop six natural anti-aging cosmetics (two serums,
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Skin aging is influenced by intrinsic and extrinsic factors, leading to structural changes in the skin. Current anti-aging cosmetic trends emphasize innovative natural ingredients, including plant extracts, thermal waters, and botanical hydrolats. This work aims to develop six natural anti-aging cosmetics (two serums, two day creams, and two night creams) with innovative and non-irritating profiles. The rational design was guided by market analysis and ingredient properties. Prototype formulations were created with two core mixtures: (1) natural mineral water from Termas de Unhais da Serra and Thymus × citriodorus hydrolat and (2) natural mineral water from Termas de Chaves and aqueous Vaccinium myrtillus (blueberry) extract. The products were evaluated for stability (4 °C and 40 °C, 4 weeks), safety (according to EC Regulation No. 1223/2009), including in vitro testing for skin irritation potential (epiderm model; OECD TG 439). The market study highlighted a gap in anti-aging products combining natural extracts and thermal waters. All prototypes showed desirable textures and remained stable under test conditions. No irritating effects were observed. The results support the development of effective anti-aging cosmetics rooted in natural resources. These innovative products can meet the market demand for natural and sustainable skincare solutions.
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(This article belongs to the Special Issue Feature Papers in Cosmetics in 2025)
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Open AccessReview
Beauty’s Blind Spot: Unmasking the Ocular Side Effects and Concerns of Eye Cosmetics
by
Kasra Cheraqpour
Cosmetics 2025, 12(4), 149; https://doi.org/10.3390/cosmetics12040149 - 14 Jul 2025
Abstract
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Nowadays, a significant portion of the population uses eye cosmetics, a trend that is not limited to women, as men increasingly adopt stylish makeup techniques. Eye cosmetics, often termed eye makeup, include a diverse array of products such as eyelash enhancers (mascara, false
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Nowadays, a significant portion of the population uses eye cosmetics, a trend that is not limited to women, as men increasingly adopt stylish makeup techniques. Eye cosmetics, often termed eye makeup, include a diverse array of products such as eyelash enhancers (mascara, false eyelashes, growth serums, and dyes), eyelid products (eyeliner, kohl, eye contour cream, and eyeshadow), and eye makeup removers. There is a persistent interest among dermatologists in the influence of eye cosmetics on the skin surrounding the eye. The formulation of these cosmetics typically consists of various ingredients, some of which may present potential health risks to users. The application of eye cosmetics is linked to a range of adverse effects on the ocular surface, which may manifest as mechanical injury, tear film instability, toxicity, inflammation, and infections. Therefore, the use of cosmetics in this sensitive area is of paramount importance, necessitating a cooperative approach among eyecare professionals, dermatologists, and beauty experts. Despite the widespread use of eye makeup, its possible ocular side effects have not been sufficiently addressed. This report aims to elucidate how the use of eye cosmetics represents a lifestyle challenge that may exacerbate or initiate ocular surface and adnexal disorders.
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Open AccessArticle
The Effectiveness and Safety of 1470 nm Non-Ablative Laser Therapy for the Treatment of Striae Distensae: A Pilot Study
by
Paweł Kubik, Stefano Bighetti, Luca Bettolini, Wojciech Gruszczyński, Bartłomiej Łukasik, Stefania Guida, Giorgio Stabile, Giovanni Paolino, Elisa María Murillo Herrera, Andrea Carugno, Mario Valenti, Cristina Zane, Vincenzo Maione, Edoardo D’Este and Nicola Zerbinati
Cosmetics 2025, 12(4), 148; https://doi.org/10.3390/cosmetics12040148 - 11 Jul 2025
Abstract
Striae distensae (SD), or stretch marks, are a common aesthetic concern with limited effective treatment options. This prospective, single-center, open-label study aimed to evaluate the efficacy and safety of 1470 nm non-ablative laser therapy in improving skin texture and reducing SD dimensions. Twenty
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Striae distensae (SD), or stretch marks, are a common aesthetic concern with limited effective treatment options. This prospective, single-center, open-label study aimed to evaluate the efficacy and safety of 1470 nm non-ablative laser therapy in improving skin texture and reducing SD dimensions. Twenty healthy female volunteers (aged 19–56) with SD of varying stages underwent three laser sessions at three-week intervals. Treatments were delivered using energy densities of 28–35 mJ per point with spot spacing of 0.8–1.2 mm, uniformly delivered over the affected SD lesions. Assessments were performed at baseline, Day 14, Day 35, Day 56–70, and Day 118–132. SD depth and width were measured using high-frequency ultrasound; aesthetic improvement was assessed using the Global Aesthetic Improvement Scale (GAIS), alongside clinical and photographic evaluations. A statistically significant, progressive reduction in SD size was observed: mean depth decreased from 0.34 mm (SD = 0.16) to 0.18 mm (SD = 0.15), and width decreased from 6.58 mm (SD = 2.65) to 4.40 mm (SD = 2.52) by Day 118–132 (p < 0.01 for both). Most participants reported improvement on GAIS at each follow-up. No severe adverse events occurred; only mild, transient erythema and edema were noted. In conclusion, 1470 nm non-ablative laser therapy showed significant efficacy and a favorable safety profile in SD treatment, offering a promising non-invasive option based on fractional thermal stimulation and selective dermal absorption.
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(This article belongs to the Special Issue Laser Therapy and Phototherapy in Cosmetic Dermatology)
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Open AccessArticle
Evaluating Coffee and Rosemary Extracts as Sustainable Alternatives to Synthetic Preservatives
by
Luiza Aparecida Luna Silvério, Érica Mendes dos Santos, Josélia Cristina de Oliveira Moreira, Ana Lucia Tasca Gois Ruiz, Karina Cogo-Müller, Janaína Artem Ataide, Ana Cláudia Paiva-Santos and Priscila Gava Mazzola
Cosmetics 2025, 12(4), 147; https://doi.org/10.3390/cosmetics12040147 - 11 Jul 2025
Cited by 1
Abstract
Preservatives are essential for ensuring the stability, safety, and efficacy of pharmaceuticals, cosmetics, and food products. However, synthetic preservatives often raise toxicity concerns. This study evaluated Rosmarinus officinalis (rosemary) leaf extracts and coffee by-products from Coffea arabica and Coffea canephora as potential natural
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Preservatives are essential for ensuring the stability, safety, and efficacy of pharmaceuticals, cosmetics, and food products. However, synthetic preservatives often raise toxicity concerns. This study evaluated Rosmarinus officinalis (rosemary) leaf extracts and coffee by-products from Coffea arabica and Coffea canephora as potential natural preservatives for emulsions. Antimicrobial activity was assessed against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans, along with cytotoxicity tests on human keratinocytes and antioxidant activity. The most effective extracts were incorporated into an oil-in-water emulsion for evaluation. C. arabica extracts showed the best results among coffee samples, with 43.53 mg GAE/g (gallic acid equivalents) and 2.32 mg QE/g of total phenolics (quercetin equivalents) and flavonoids, and minimum inhibitory concentrations (MICs) of 12.5 mg/mL against Escherichia coli, and 25 mg/mL against Staphylococcus aureus and Pseudomonas aeruginosa. Rosemary extract showed 158.01 ± 23.67 mg GAE/g and 1.95 ± 0.05 mg QE/g, with MICs of 2.5 mg/mL against E. coli, 1.25 mg/mL against P. aeruginosa, 0.3 mg/mL against S. aureus, and 0.08 mg/mL against Candida albicans. However, rosemary extracts displayed complete inhibition of keratinocyte growth at 20 µg/mL. A combination of both extracts had synergistic effects against S. aureus and P. aeruginosa. The emulsion met microbial safety standards in the challenge test for bacteria but not yeast. The results suggest that rosemary extracts enhance the potential of coffee by-product as a preservative system, and as a multifunctional excipient system in cosmetics, offering preservation and antioxidant protection. However, further strategies, such as adding other ingredients or adjusting the formulation pH, are required to ensure yeast inhibition.
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(This article belongs to the Section Cosmetic Formulations)
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