Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
[object Object] 40 citations,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
2 citations,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
Hair Botox makes hair look healthier and fuller.
December 2008 in “The American Journal of Cosmetic Surgery” Multi-pass laser skin treatments improved healing, reduced pain, and had no major complications.