89 citations
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March 1990 in “PubMed” Shaving is the most effective temporary hair removal method for facial hirsutism.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
December 2000 in “Kirk-Othmer Encyclopedia of Chemical Technology” Hair care products are regulated, with shampoos, conditioners, dyes, and styling products designed for cleaning, enhancing, and maintaining hair.
June 1996 in “The American Journal of Cosmetic Surgery” The hair restoration technique discussed is a costly, temporary method similar to hair weaving, not well-supported by scientific data, and can have severe complications.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.