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hydroxy acid
noun
- an organic acid containing both a carboxyl and a hydroxyl group.
- any of a class of organic acids containing a hydroxyl group and showing properties of both an alcohol and an acid.
hydroxy acid
noun
- any acid, such as sulphuric acid, containing hydroxyl groups in its molecules
- any of a class of carboxylic acids that contain both a hydroxyl group and a carboxyl group in their molecules
Word History and Origins
Origin of hydroxy acid1
Example Sentences
But many of its bestsellers, which cost about £60 each, contain exfoliators such as alpha and beta hydroxy acids and vitamin-A derivative retinol.
What’s more, Dr. Gonzalez said, many consumers play “chemist” with these formats, mixing them with other ingredients like alpha hydroxy acids and retinol that can dilute the formula and, in some cases, render it unstable.
“This means chemical exfoliants like hydroxy acids and physical exfoliation with any brushes, towels, pads.”
Chemical exfoliants usually use hydroxy acids to dissolve the bond between skin cells, loosening dead skin for removal.
It is so named because glycolic acid is one of a group of alpha hydroxy acids.
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