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Aqua Net was invented by the Rayette Company of St. Paul, Minnesota [ 3] in the 1950s. [ 7] Rayette was founded by chemist Raymond E. Lee [ 8] in 1935, and specialized in professional hair care products including shampoo and hair coloring as well as curlers, dryers, rollers, brushes, and hairnets. [ 8] By 1959, the company had annual sales of ...
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. It is accomplished using a hair iron or hot comb, chemical relaxers ...
A woman with dyed pink hair. Hair coloring, or hair dyeing, is the practice of changing the color of the hair on humans' heads.The main reasons for this are cosmetic: to cover gray or white hair, to alter hair to create a specific look, to change a color to suit preference or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching.
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A permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a "straight perm"), [ 1] is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name. Perms may be applied using thermal or chemical means.
Rayon, also called viscose[ 1] and commercialised in some countries as sabra silk or cactus silk, [ 2] is a semi-synthetic fiber, [ 3] made from natural sources of regenerated cellulose, such as wood and related agricultural products. [ 4] It has the same molecular structure as cellulose.
Anticoagulants and Hair Loss. If you’ve been prescribed medication to prevent blood clots, you’re taking anticoagulants, or blood thinners — and telogen effluvium hair loss is a well-known ...
Optical brighteners, optical brightening agents ( OBAs ), fluorescent brightening agents ( FBAs ), or fluorescent whitening agents ( FWAs ), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) through the ...