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Alpha hydroxy carboxylic acids, or α-hydroxy carboxylic acids (AHAs), are a group of carboxylic acids featuring a hydroxy group located one carbon atom away from the acid group. This structural aspect distinguishes them from beta hydroxy acids , where the functional groups are separated by two carbon atoms. [ 1 ]
Ingredients: Foot peels will often have alpha-hydroxy acids and beta-hydroxy acids in them that remove dead skin cells, ... foot peels are safe to use across all skin types.
Alpha hydroxy acids can also be mixed with facial washes, serums or creams in lesser concentrations as part of a daily skin-care regimen to improve the skin's texture. There are five usual fruit acids: citric acid, glycolic acid, lactic acid, malic acid and tartaric acid. Many other alpha hydroxy acids exist and are used.
Alpha hydroxy acid (AHA) is used as a skin bleacher. Its biochemical mechanism is unclear. [6] Side effects may include sun sensitivity, skin redness, thickening, or itching. [6] Low concentrations may be used in cosmetics. [6] Kojic acid has been found to be an effective lightener in some studies and is also allowed to be used in cosmetics. [6]
Like alpha hydroxy acids (AHAs), salicylic acid’s purpose is to exfoliate the skin, but the major difference is that BHAs are oil-soluble (AHAs are water-soluble), meaning they can dissolve the ...
“When the acid mantle or your skin barrier ... such as alpha hydroxy acids, so they can do their function. ... Because that's what pH-balanced products are—gentle formulations that are safe ...