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Nanomaterials
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Micro and Nanomaterials in Cosmetics
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Micro and Nanomaterials in Cosmetics

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: 31 October 2024 | Viewed by 6918

Special Issue Editors

Dr. Oscar Ramos

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Guest Editor
Escola Superior de Biotecnologia, CBQF - Centro de Biotecnologia e Química Fina – Laboratório Associado, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
Interests: micro and nanotechnology applied to different industries, i.e., agrofood, feed, cosmetics and materials; biodegradable, bioactive and smart gels (e.g., hydro and aerogels) and packaging (films and coatings) and its chemical, physical and functional characterization; valorization of industrial by-products including extraction, characterization and encapsulation of bioactives from new resources
Special Issues, Collections and Topics in MDPI journals
Dr. Alessandra Braga Ribeiro

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Guest Editor
Faculty of Biotechnology, CBQF – Centre of Biotechnology and Fine Chemistry – Associate Laboratory, Catholic University of Portugal, 4169-005 Porto, Portugal
Interests: polymers from natural source; synthesis and characterization of hydrogels based on natural polysaccharides; nanostructured materials based on biopolymers; extraction, purification and valorization of polysaccharides and bioactive compounds from residues and byproducts
Special Issues, Collections and Topics in MDPI journals
Dr. Carla F. Pereira

E-Mail Website
Guest Editor
Escola Superior de Biotecnologia, CBQF - Centro de Biotecnologia e Química Fina – Laboratório Associado, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
Interests: smart micro- and nanostructures; sensors; functionalization of biopolymers: structural characterization and evaluation of their potential; delivery systems and valorization of industrial residues and by-products
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Small-scale materials, such as micro- and nanostructures, present an endless range of uses in many fields such as food, cosmetics, pharmaceuticals, medicine, agriculture, textiles, etc. In cosmetics, these types of materials confer unique properties and performances to products, such as better texture properties, controlled delivering rates and the more efficient penetration of bioactives into the skin, which enhance bioavailability and stability, helping the long-lasting effects in the product. Despite extensive research in micro/nanotechnology, relatively few small-scale ingredients for cosmetic applications have been effectively used. Considering that the search for novel small-scale materials is the focus of research around the world, the development of innovative micro/nanomaterials for other areas could be redirected for a potential cosmetic application, creating a quick and efficient evolution in this field. Aiming at the evolution of the use of micro/nanotechnology, the main goal of this Special Issue is to provide a compilation of the knowledge concerning micro/nanomaterials in the cosmetic field, envisioning to provide the journal`s readers with a high-quality overview of the actual scenario from science to market. In this way, we welcome all the contributions in the form of mini reviews and reviews and opinion and research articles highlighting the micro/nanomaterials’ advances in green synthesis routes in relation to conventional chemical and physical synthetic routes, novel ingredient developments, safety/toxicity assessments, market data, patent analysis, industry perspective/challenges and legislation.

Dr. Oscar Ramos
Dr. Alessandra Braga Ribeiro
Dr. Carla F. Pereira
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cosmetics
  • skin care products
  • green synthesis
  • dermal delivery
  • organic and inorganic particles
  • functionalized micro/nanomaterials
  • safety and legislation in cosmetics
  • toxicological risks and human health
  • sustainable materials and processes
  • consumer perspective on nanomaterials

Published Papers (5 papers)

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Research

16 pages, 3384 KiB  
Article
Clinical Efficacy in Skin Hydration and Reducing Wrinkles of Nanoemulsions Containing Macadamia integrifolia Seed Oil
by Suvimol Somwongin and Wantida Chaiyana
Nanomaterials 2024, 14(8), 724; https://doi.org/10.3390/nano14080724 - 20 Apr 2024
Viewed by 228
Abstract
This study aimed to assess natural oils for their antioxidant and anti-hyaluronidase properties and select the most effective candidate for development into nanoemulsions (NE) for clinical evaluations. The oils were assessed using 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS•+) and ferric thiocyanate assays for antioxidant [...] Read more.
This study aimed to assess natural oils for their antioxidant and anti-hyaluronidase properties and select the most effective candidate for development into nanoemulsions (NE) for clinical evaluations. The oils were assessed using 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS•+) and ferric thiocyanate assays for antioxidant properties and an enzyme-substrate reaction assay for anti-hyaluronidase activity. The most potent oil was formulated into conventional emulsions (CE) and NE, which were characterized and evaluated for their stability, both in accelerated and long-term conditions. The irritation potential was assessed using both the hen’s eggs chorioallantoic membrane test and a clinical trial. Skin hydration enhancement and skin wrinkle reduction efficacy were clinically assessed. Macadamia integrifolia oil exhibited significant potency as an ABTS•+ radical scavenger, lipid peroxidation inhibitor, and hyaluronidase inhibitor (p < 0.05). Both the CE and NE, comprising 15% w/w oil, 5% w/w Tween® 80 and Span® 80, and 80% w/w DI water, were found to be optimal. NE with an internal droplet size of 112.4 ± 0.8 nm, polydispersity index of 0.17 ± 0.01, and zeta potential of −31.5 ± 1.0 mV, had good stability and induced no irritation. Both CE and NE enhanced skin hydration and reduced skin wrinkles in human volunteers, while NE was outstanding in skin hydration enhancement. Full article
(This article belongs to the Special Issue Micro and Nanomaterials in Cosmetics)
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22 pages, 6189 KiB  
Article
The Fatty Acid Compositions, Irritation Properties, and Potential Applications of Teleogryllus mitratus Oil in Nanoemulsion Development
by Wantida Chaiyana, Jirasit Inthorn, Suvimol Somwongin, Pimporn Anantaworasakul, Sawat Sopharadee, Pornnapat Yanpanya, Marina Konaka, Wasin Wongwilai, Pongsathorn Dhumtanom, Saranya Juntrapirom and Watchara Kanjanakawinkul
Nanomaterials 2024, 14(2), 184; https://doi.org/10.3390/nano14020184 - 12 Jan 2024
Viewed by 853
Abstract
This study aimed to characterize and investigate the potential of the oils from Gryllus bimaculatus, Teleogryllus mitratus, and Acheta domesticus to be used in nanoemulsions. The oils were extracted by a cold press method and characterized for their fatty acid profiles. [...] Read more.
This study aimed to characterize and investigate the potential of the oils from Gryllus bimaculatus, Teleogryllus mitratus, and Acheta domesticus to be used in nanoemulsions. The oils were extracted by a cold press method and characterized for their fatty acid profiles. Their irritation effects on the chorioallantoic membrane (CAM) were evaluated, along with investigations of solubility and the required hydrophilic–lipophilic balance (RHLB). Various parameters impacting nanoemulsion generation using high-pressure homogenization were investigated. The findings revealed that G. bimaculatus yielded the highest oil content (24.58% w/w), followed by T. mitratus (20.96% w/w) and A. domesticus (15.46% w/w). Their major fatty acids were palmitic, oleic, and linoleic acids. All oils showed no irritation, suggesting safety for topical use. The RHLB values of each oil were around six–seven. However, they could be successfully developed into nanoemulsions using various surfactants. All cricket oils could be used for the nanoemulsion preparation, but T. mitratus yielded the smallest internal droplet size with acceptable PDI and zeta potential. Nanoemulsion was found to significantly enhance the antioxidant and anti-skin wrinkle of the T. mitratus oil. These findings pointed to the possible use of cricket oils in nanoemulsions, which could be used in various applications, including topical and cosmetic formulations. Full article
(This article belongs to the Special Issue Micro and Nanomaterials in Cosmetics)
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13 pages, 3193 KiB  
Article
Valorization of Sugarcane By-Products through Synthesis of Biogenic Amorphous Silica Microspheres for Sustainable Cosmetics
by Joana R. Costa, Ana Paula Capeto, Carla F. Pereira, Sílvia S. Pedrosa, Inês F. Mota, João da Silva Burgal, Ana I. Pintado, Manuela E. Pintado, Catarina S. S. Oliveira, Patrícia Costa and Ana Raquel Madureira
Nanomaterials 2022, 12(23), 4201; https://doi.org/10.3390/nano12234201 - 26 Nov 2022
Cited by 6 | Viewed by 1664
Abstract
Ashes from sugarcane by-product incineration were used to synthesize silica powders through alkaline hot extraction, followed by ethanol/acid precipitation or the sol–gel method. Both production methods allowed amorphous spherical silica microparticles with sizes ranging from 1–15 μm and 97% purity to be obtained. [...] Read more.
Ashes from sugarcane by-product incineration were used to synthesize silica powders through alkaline hot extraction, followed by ethanol/acid precipitation or the sol–gel method. Both production methods allowed amorphous spherical silica microparticles with sizes ranging from 1–15 μm and 97% purity to be obtained. Water absorption ranged from 135–155 mL/100 g and 150–250 mL/100 g for precipitated silica and silica gel, respectively, while oil absorption ranged from 305 to 390 and from 250 to 350 mL/100 g. The precipitation with ethanol allowed the recovery of 178 g silica/kg ash, with a lab process cost of EUR 28.95/kg, while the sol-gel process showed a yield of 198 g silica/kg ash with a cost of EUR 10.89/kg. The experimental data suggest that ash from sugarcane by-products is a promising source to be converted into a competitive value-added product, minimizing the environmental impact of disposal problems. Full article
(This article belongs to the Special Issue Micro and Nanomaterials in Cosmetics)
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8 pages, 1039 KiB  
Article
Effects of Nanobubbles in Dermal Delivery of Drugs and Cosmetics
by Yuri Park, Soyeon Shin, Nutan Shukla, Kibeom Kim and Myoung-Hwan Park
Nanomaterials 2022, 12(19), 3286; https://doi.org/10.3390/nano12193286 - 21 Sep 2022
Cited by 3 | Viewed by 1626
Abstract
Dermal delivery, which delivers drugs and cosmetics through the skin, has attracted significant attention due to its non-invasive and simple administration compared with oral or injectable administration. However, delivery of the ingredients through the skin barrier is difficult because the primary function of [...] Read more.
Dermal delivery, which delivers drugs and cosmetics through the skin, has attracted significant attention due to its non-invasive and simple administration compared with oral or injectable administration. However, delivery of the ingredients through the skin barrier is difficult because the primary function of the skin is to protect the human body by preventing the invasion of contaminants. Although various techniques have been developed to overcome skin barriers, chemical toxicity, complicated processes, and expensive equipment still remain as obstacles. Moreover, green chemistry, which minimizes or eliminates the use of toxic chemicals, is required in the cosmetic industry. Thus, the development of a new method for dermal delivery is required. In this study, we provide a new method for dermal delivery using nanobubbles (NBs). NBs generated in oil improve the delivery effect of the active ingredients through the high Brownian motion and charge-balancing effect. Franz cell experiments and depigmentation experiments using the B16F10 melanoma cells were conducted to confirm the enhanced delivery effects. The system using NBs will contribute to the advancement of the dermal delivery of drugs and cosmetics. Full article
(This article belongs to the Special Issue Micro and Nanomaterials in Cosmetics)
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20 pages, 3090 KiB  
Article
Salicin and Hederacoside C-Based Extracts and UV-Absorbers Co-Loaded into Bioactive Lipid Nanocarriers with Promoted Skin Antiaging and Hydrating Efficacy
by Ioana Lacatusu, Brindusa Balanuca, Andrada Serafim, Cristina Ott, Mariana Prodana and Nicoleta Badea
Nanomaterials 2022, 12(14), 2362; https://doi.org/10.3390/nano12142362 - 10 Jul 2022
Cited by 1 | Viewed by 1882
Abstract
Conventional and herbal active principles can be combined in a beneficial harmony using their best features and compensating for the certain weaknesses of each. The study will answer the question, “how can willow bark extract (Wbe) or ivy leaf extract ( [...] Read more.
Conventional and herbal active principles can be combined in a beneficial harmony using their best features and compensating for the certain weaknesses of each. The study will answer the question, “how can willow bark extract (Wbe) or ivy leaf extract (Ile) influence the photoprotective, skin permeation and hydration properties of Bioactive Lipid Nanocarriers (BLN) loaded with UV-filters and selected herbals?”. BLN-Wbe/Ile-UV-filters were characterized for particle size, zeta potential, thermal behavior, entrapment efficiency and drug loading. The formulated BLN-hydrogels (HG) were subjected to in vitro release and permeation experiments. The in vitro determination of sun protection factors, as well as comparative in vitro photostability tests, rheology behavior and in vivo hydration status have been also considered for hydrogels containing BLN-Ile/Wbe-UV-filters. Photoprotection of BLN-HG against UVA rays was more pronounced as compared with the UVB (UVA-PF reached values of 30, while the maximum SPF value was 13). The in vitro irradiation study demonstrated the photostability of BLN-HG under UV exposure. A noteworthy cosmetic efficacy was detected by in vivo skin test (hydration effect reached 97% for the BLN-Wbe-UV-filters prepared with pomegranate oil). The research novelty, represented by the first-time co-optation of the active herbal extracts (Wbe and Ile) together with two synthetic filters in the same nanostructured delivery system, will provide appropriate scientific support for the cosmetic industry to design novel marketed formulations with improved quality and health benefices. Full article
(This article belongs to the Special Issue Micro and Nanomaterials in Cosmetics)
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