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A dog's coat is composed of two layers: a top coat of stiff guard hairs that help repel water and shield from dirt, and an undercoat of soft down hairs, to serve as insulation. [1] Dogs with both under coat and top coat are said to have a double coat. Dogs with a single coat have a coat composed solely of guard hairs, with little or no downy ...
A relaxer is a type of lotion or cream generally used by people with tight curls or very curly hair which makes hair easier to straighten by chemically "relaxing" the natural curls. The active agent is usually a strong alkali , although some formulations are based on ammonium thioglycolate or formaldehyde .
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.
And hair relaxers were a means to be able to do that." Techniques for hair straightening include towel drying, blow drying, using a flat iron, and applying straightening chemicals known as relaxers.
The Food and Drug Administration’s proposal to ban formaldehyde in hair care products has been pushed back once again, and the timeline for its release remains undetermined.. The FDA said in ...
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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.
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.