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 ?
5 Cell-stimulating Alpha-hydroxy Acids (AHA's): Glycolic acid is the strongest of the AHA's and is very effective in exfoliating the skin.
Murad noted that the most popular alpha-hydroxy acids for the skin include glycolic acid, from sugarcane, and lactic acid, from milk.
Alpha-hydroxy acids (AHAs): Synthetic versions of acids derived from sugar-containing fruits that remove the upper layer of old, dead skin and stimulate the growth of smooth, evenly pigmented new skin.
Skin creams without the alpha-hydroxy acids did not offer the same benefits.
who are widely recognized as pioneers in alpha-hydroxy acid skin care technology and the inventors of more than 125 patents relating to alpha-hydroxy acids and other skin care technology.
and Walmart stores, features a patented Ul-traplex formula that contains alpha-hydroxy acids and other ingredients to exfoliate and hydrate skin.
Alpha-hydroxy acids can help with acne by opening and clearing the pores.
Whether a product costs $9 or $99, according to the doctor, there are three key ingredients to consider: vitamin C (also known as L-ascorbic acid), alpha-hydroxy acids (also known as AHAs, fruit acids and glycolic acid), and retinoids or retinol-like compounds (tretinoin, retinol).
Alpha-hydroxy acids (AHAs) have been widely used by dermatologists to perform chemical skin peels for many years.
You may have noticed one major omission from our regime that's probably a big part of your programme - products containing alpha-hydroxy acids.
These days, fruit or alpha-hydroxy acids (AHAs) do the job that Buff-Puff used to, by dissolving the glue-like substance that sticks surface cells together so that they lift off easily when you cleanse.
Recent treatments, such as the alpha-hydroxy acids and retinoic acids, can help the skin avoid cracking and give it a more youthful appearance, but the best treatment of all, says the American Academy of Dermatology, is simply to avoid excessive sun exposure.