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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 ...
The FDA is expected to propose a formal rule on chemical hair straighteners in April. In the meantime, it recommends that consumers avoid products with formaldehyde or those that lack a list of ...
The FDA said in October that it planned to propose a ban on formaldehyde and other formaldehyde-releasing chemicals in hair-smoothing or hair-straightening products, often called relaxers, which ...
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.
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.
However, recent observations of acute kidney injury following exposure to hair-straightening products indicate that it is toxic. [29] After transcutaneous absorption, glyoxylic acid contained in hair-strengthening creams causes calcium oxalate nephropathy. In contrast to glycolic acid, glyoxylic acid can dramatically increase urine oxalate ...