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Thio relaxers use ATG, or ammonium thioglycolate, which is also used in permanent waving, but at a much higher pH and concentration than used in permanent waves. It is usually higher than a pH of 10. These relaxers are also thicker with a higher viscosity, or thickness, which makes for an easier relaxer application.
Despite the claims of the relaxer being safe and natural, the product contained copper, ammonium, and chloride salts and a pH of less than the listed level of 3. [3] Due to these factors, people using the product suffered from hair loss, scalp burns, and (in some cases) green hair color. [4]
Permanent wave machine invented in 1928 by Marjorie Joyner — The first African American woman to receive a patent. Other types of modern perms include exothermic perms, which are self timing and self heating; and neutral, or low pH, thioglycolate free perms.
Hair relaxers have seen a considerable resurgence in popularity among the Black hair community. Here is why some women are deciding to go back to relaxers after years of dealing with their natural ...
Postmenopausal Black women who reported using hair relaxers more than twice a year or for more than five years had a greater than 50% increased risk of uterine cancer.
Tons of health problems might be the result of a pH imbalance, so a new wellness supplement brand called WelleCo wants to change that. Wellness Wednesday: Why it's so important for women to ...
Conk hairstyle. The conk was a hairstyle popular among African-American men from the 1920s up to the early-to-mid 1960s. [1] This hairstyle called for a man with naturally "kinky" hair to have it chemically straightened using a relaxer called congolene, an initially homemade hair straightener gel made from the extremely corrosive chemical lye which was often mixed with eggs and potatoes.
Hair straightening using a hot comb or relaxer has a long history among women and men of African American descent, reflected in the huge commercial success of the straightening comb popularized by Madam C. J. Walker and other hairdressers in the early 1900s. [16]