hydroxy acid


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hy·drox·y ac·id

(hī-drok'sē as'id),
An organic acid containing both OH and COOH groups, for example, lactic acid.

hydroxy acid

Any of the acids containing one or more hydroxyl (–OH) groups in addition to the carboxyl (–COOH) group, e.g., lactic acid, CH3COHCOOH).
See also: acid
References in periodicals archive ?
Furthermore, don't use them before or after using alpha hydroxy acids, which also break down retinol.)
They looked at 13 creams which contained the same active ingredients that skin specialists use, including Vitamin A, antioxidants, alpha hydroxy acids and sun filters.
'Alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs) are both naturally occurring organic acids that help exfoliate skin,' says Chavez.
Research in Cosmetic Dermatology showed it was as effective as glycolic for treating sun damage, but it's far gentler than other alpha hydroxy acids.
Key ingredients are glycerin, lactic acid, urea, hyaluronic acid and alpha hydroxy acids. These creams do not contain heavier oils.
Alpha hydroxy acids (AHAs) are well suited for use by individuals with dry skin because hydroxy acids act as humectants (water-soluble materials with high water absorption capabilities).
Based in Princeton, N.J, NeoStrata's innovation includes breakthrough research in Alpha hydroxy acids, which have become a standard among anti-aging technologies in the beauty category.
They include alpha hydroxy acids, which can also increase the thickness of deeper layers of skin, promoting skin firmness.
* Daily exfoliating cream that contains Alpha Hydroxy Acids help to encourage continuous exfoliation of the outer layers of the skin and avoiding blockage of the follicles which is the primary cause of acne.
The clinically proven products are the only moisturizers with the combination of alpha and beta hydroxy acids, ceramides, niacinamide, and urea, says Clark.
Functional agents currently include alpha hydroxy acids (AHAs), poly-AHAs, complex poly-AHAs, retinoids, fish polysaccharides, anti-enzymatic agents, antioxidants (including ascorbic acid, pycnogenol, ursolic acid, vegetable isoflavones, vitamin E, coenzyme Q10, lipoic acid, resveratorol, l-carnosine, and taurine) as well as agaricic acid and various plant extracts.
Ingredients now used by the cosmetic industry for skin rebuilding or restoration are chemical hydroxy acids like AHAs and BHAs and/or fruit enzymes.