34 citations,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
4 citations,
March 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
21 citations,
October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
20 citations,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
12 citations,
December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.