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Towards Optimal pH of the Skin and Topical Formulations: From the Current State of the Art to Tailored Products

Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
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Author to whom correspondence should be addressed.
Academic Editor: Enzo Berardesca
Cosmetics 2021, 8(3), 69; https://doi.org/10.3390/cosmetics8030069
Received: 25 June 2021 / Revised: 2 August 2021 / Accepted: 2 August 2021 / Published: 4 August 2021
(This article belongs to the Special Issue Feature Papers in Cosmetics in 2021)
Acidic pH of the skin surface has been recognized as a regulating factor for the maintenance of the stratum corneum homeostasis and barrier permeability. The most important functions of acidic pH seem to be related to the keratinocyte differentiation process, the formation and function of epidermal lipids and the corneocyte lipid envelope, the maintenance of the skin microbiome and, consequently, skin disturbances and diseases. As acknowledged extrinsic factors that affect skin pH, topically applied products could contribute to skin health maintenance via skin pH value control. The obtained knowledge on skins’ pH could be used in the formulation of more effective topical products, which would add to the development of the so-called products ‘for skin health maintenance’. There is a high level of agreement that topical products should be acidified and possess pH in the range of 4 to 6. However, formulators, dermatologists and consumers would benefit from some more precise guidance concerning favorable products pH values and the selection of cosmetic ingredients which could be responsible for acidification, together with a more extensive understanding of the mechanisms underlaying the process of skin acidification by topical products. View Full-Text
Keywords: skin pH; acidic topical products; cosmetics skin pH; acidic topical products; cosmetics
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MDPI and ACS Style

Lukić, M.; Pantelić, I.; Savić, S.D. Towards Optimal pH of the Skin and Topical Formulations: From the Current State of the Art to Tailored Products. Cosmetics 2021, 8, 69. https://doi.org/10.3390/cosmetics8030069

AMA Style

Lukić M, Pantelić I, Savić SD. Towards Optimal pH of the Skin and Topical Formulations: From the Current State of the Art to Tailored Products. Cosmetics. 2021; 8(3):69. https://doi.org/10.3390/cosmetics8030069

Chicago/Turabian Style

Lukić, Milica, Ivana Pantelić, and Snežana D. Savić. 2021. "Towards Optimal pH of the Skin and Topical Formulations: From the Current State of the Art to Tailored Products" Cosmetics 8, no. 3: 69. https://doi.org/10.3390/cosmetics8030069

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