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The U.S. Food and Drug Administration is considering a ban on certain hair-straightening chemicals that have been used by Black women for years and that research shows may increase the risk of ...
Two U.S. House members who first pushed the Food and Drug Administration in 2023 to investigate the health risks of hair straighteners used primarily by Black women are now asking the agency why ...
Black women and women of other ethnicities have used chemical hair-straightening treatments for decades, and many of the relaxers, creams and keratin treatments contain formaldehyde — a chemical ...
Methanediol, rather than formaldehyde, is listed as one of the main ingredients of "Brazilian blowout", a hair-straightening formula marketed in the United States.The equilibrium with formaldehyde has caused concern since formaldehyde in hair straighteners is a health hazard.
On application, the caustic "lye cream" permeates the protein structure of the hair and weakens its internal bonds, causing the natural curls to loosen out as the entire fiber swells open. No special deactivation step is required after washing the lye cream out, other than the routine pH adjustment and hair-conditioning.
Brazilian hair straightening treatments are meant to mostly or partially eliminate hair frizz and straighten curls and waves. They can be performed on all types of hair, whether natural or chemically treated (bleached, highlighted, colored, permed, relaxed or previously straightened). The effect usually lasts about three months.
The Department of Health and Human Services lists formaldehyde as a carcinogen, and last year the FDA issued a warning against chemical hair straighteners that release formaldehyde when heated up ...
Hair straightening is a hair styling technique used since the 1890s involving the flattening and straightening of hair in order to give it a smooth, streamlined, and sleek appearance. [1] It became very popular during the 1950s among black males and females of all races.