43 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
4 citations,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
40 citations,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
2 citations,
January 2019 in “Applied clinical research, clinical trials and regulatory affairs” Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.
August 2021 in “International Journal of Research in Dermatology” Modern hair straightening improves manageability and strength while maintaining natural waves.