November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
20 citations,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
1 citations,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
75 citations,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.