11 citations
,
January 2016 in “International Journal of Biological Macromolecules” This study found that enzymatic phosphorylation of hair keratin increased its capacity to adsorb cationic components like methylene blue and may have practical implications for hair care products.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” This study found that African and Caucasian hair contain the most lipids, and depletion of these lipids leads to less water retention and increased water desorption, with Caucasian hair showing improved breaking tenacity after lipid extraction.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
This research found that keratin hydrogels derived from human hair may support cell viability and proliferation, indicating potential as 2D and 3D soft tissue culture scaffolds.
October 2025 in “International Journal of Women’s Dermatology” In a cross-sectional analysis of 58 hair growth cosmeceuticals marketed for women or unisex use, this study found that ingredients with potential environmental hazards, particularly phenoxyethanol and synthetic fragrances, are commonly present, while substances like sodium lauryl sulfate, parabens, and microbeads were not detected.