7 citations,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
4 citations,
January 2021 in “Skin appendage disorders” Washing hair daily is better and preferred, with no negative effects.
4 citations,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
11 citations,
April 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
92 citations,
April 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.