This article reviews the roles and types of surfactants and ingredients in modern shampoos, discussing their contributions to cleansing, conditioning, and cosmetic effects, but reports no new experimental findings.
5 citations
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January 2017 in “Elsevier eBooks” This review focuses on the roles of amino acids, peptides, and proteins in cosmetics, highlighting their importance in skin health and their potential for development in personal care products due to their unique properties and biocompatibility.
2 citations
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March 2019 in “European Journal of Dermatology” This study concluded that shampoos sold in pharmacies generally contain fewer regulated allergens under EU law compared to those sold in mass-market stores or by mail order, and pharmacy-sold baby shampoos were allergen-free.
July 2026 in “International Journal For Multidisciplinary Research” In this study, researchers found that EqualsTwo Oil Free Hair Oil significantly reduced hair fall by up to 73.8% and improved hair strength, scalp condition, and growth cycle parameters in pregnant and lactating women over a 30-day period, without adverse effects.
May 2026 in “Repository of the University of Ljubljana (University of Ljubljana)” This study analyzed the composition and cost of 50 cosmetic body scrubs for keratosis pilaris, finding that chemical exfoliants with glycolic acid may reduce symptoms by enhancing skin shedding and reducing water loss, but further clinical studies are needed to confirm their effectiveness.