February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
November 2021 in “Journal of pharmaceutical research international” Herbal depilatories are safer and cause fewer side effects than chemical ones for hair removal.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
January 2014 in “Sen i Gakkaishi” Liposome-encapsulated thioglycolic acid improves hair perming effectiveness and durability.
4 citations
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June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.