20 citations
,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
31 citations
,
November 2003 in “Journal of Occupational Health” Thioglycolic acid in hair products may pose reproductive and cancer risks for hairdressers.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.