alpha-hydroxy acid


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alpha-hydroxy acid

(ăl′fə-hī-drŏk′sē)
n. Abbr. AHA
Any of various acids, such as citric acid or glycolic acid, that contain a hydroxyl group adjacent to the carboxyl group and are often used in exfoliants and other cosmetics.

alpha-hydroxy acid

Abbreviation: AHA
Any of a class of water-soluble acids derived from fruit or milk, having a hydroxyl moiety in the first position in the molecule. AHAs are used in chemical peels and other skin care products to remove the outer layer of the epidermis. This chemical exfoliation is promoted for its cosmetic effects on wrinkled or sun-damaged skin.
See also: acid
References in periodicals archive ?
The truth is that while alpha-hydroxy acids were probably the first major new development in anti-ageing, they are now the most controversial.
According to the US Food & Drug Administration, there's reason to believe that the way alpha-hydroxy acids work - speeding up cell renewal and thinning the upper layers of the skin - could actually make us more prone to sun damage and, potentially, skin cancers.
The point of alpha-hydroxy acids is to thin the upper layers of the skin that have been abnormally thickened by sun damage.
Featuring proprietary formula Berridroxies, a unique extraction of European berries that performs the work of alpha-hydroxy acids without the usual accompanying irritation, the products have proven safe for all skin types.
This study shows the exciting possibilities for use of Canadian Willowherb extracts in after-sun products, after-shave products, baby products, and products containing Alpha-Hydroxy Acids (AHA).
TM)] Restoring Body Lotion, formulated with skin care's newest "power couple"-- alpha-hydroxy acids (AHAs) and essential ceramides.
With its unique combination of alpha-hydroxy acids and three essential ceramides, AmLactin[sup.
moisturizers contain alpha-hydroxy acids, which are effective at exfoliating and hydrating the skin.
moisturizers contain alpha-hydroxy acids (AHAs), which are effective at exfoliating and hydrating the skin.
About AmLactin Alpha-Hydroxy Skin Care AmLactin moisturizers contain alpha-hydroxy acids (AHAs), which are effective at exfoliating and hydrating the skin.