January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
15 citations,
January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
January 2014 in “Sen i Gakkaishi” Liposome-encapsulated thioglycolic acid improves hair perming effectiveness and durability.
20 citations,
December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.