Definition of alpha-hydroxy acid in English:

alpha-hydroxy acid

noun

Chemistry

An organic acid containing a hydroxyl group bonded to the carbon atom adjacent to the carboxylic acid group. A number of such compounds are used in skincare preparations for their exfoliating properties.
〔化〕α-羟基酸
Example sentencesExamples
- To soften skin, use yogurt, which contains the alpha-hydroxy acid called lactic acid.
- Exfoliating scrubs and chemicals like alpha-hydroxy acids and retinoids (including retinol, Retin-A and Renova) can leave skin smooth and glowing because they eliminate dull, dead cells on the skin's surface.
- Nonchemical exfoliators such as alpha-hydroxy acids and beta-hydroxy acids loosen dead skin cells so they slough off more efficiently.
- Chemicals related to vitamin A such as tretinoin (eg Retin A cream) and chemical peels containing alpha-hydroxy acids (eg glycolic and lactic acids) are commonly used for this.
- While alpha-hydroxy acids are added to skin creams to reduce the signs of aging, they can also increase the skin's sensitivity to the sun.

Definition of alpha-hydroxy acid in US English:

alpha-hydroxy acid

nounˌalfəhīˌdräksē ˈasəd

Chemistry

An organic acid containing a hydroxyl group bonded to the carbon atom adjacent to the carboxylic acid group. A number of such compounds are used in skin-care preparations for their exfoliating properties.
〔化〕α-羟基酸
Also called fruit acid
Example sentencesExamples
- While alpha-hydroxy acids are added to skin creams to reduce the signs of aging, they can also increase the skin's sensitivity to the sun.
- Chemicals related to vitamin A such as tretinoin (eg Retin A cream) and chemical peels containing alpha-hydroxy acids (eg glycolic and lactic acids) are commonly used for this.
- Exfoliating scrubs and chemicals like alpha-hydroxy acids and retinoids (including retinol, Retin-A and Renova) can leave skin smooth and glowing because they eliminate dull, dead cells on the skin's surface.
- To soften skin, use yogurt, which contains the alpha-hydroxy acid called lactic acid.
- Nonchemical exfoliators such as alpha-hydroxy acids and beta-hydroxy acids loosen dead skin cells so they slough off more efficiently.

词汇	alpha-hydroxy acid
释义	Definition of alpha-hydroxy acid in English: alpha-hydroxy acid noun Chemistry An organic acid containing a hydroxyl group bonded to the carbon atom adjacent to the carboxylic acid group. A number of such compounds are used in skincare preparations for their exfoliating properties. 〔化〕α-羟基酸 Example sentencesExamples To soften skin, use yogurt, which contains the alpha-hydroxy acid called lactic acid. Exfoliating scrubs and chemicals like alpha-hydroxy acids and retinoids (including retinol, Retin-A and Renova) can leave skin smooth and glowing because they eliminate dull, dead cells on the skin's surface. Nonchemical exfoliators such as alpha-hydroxy acids and beta-hydroxy acids loosen dead skin cells so they slough off more efficiently. Chemicals related to vitamin A such as tretinoin (eg Retin A cream) and chemical peels containing alpha-hydroxy acids (eg glycolic and lactic acids) are commonly used for this. While alpha-hydroxy acids are added to skin creams to reduce the signs of aging, they can also increase the skin's sensitivity to the sun. Definition of alpha-hydroxy acid in US English: alpha-hydroxy acid nounˌalfəhīˌdräksē ˈasəd Chemistry An organic acid containing a hydroxyl group bonded to the carbon atom adjacent to the carboxylic acid group. A number of such compounds are used in skin-care preparations for their exfoliating properties. 〔化〕α-羟基酸 Also called fruit acid Example sentencesExamples While alpha-hydroxy acids are added to skin creams to reduce the signs of aging, they can also increase the skin's sensitivity to the sun. Chemicals related to vitamin A such as tretinoin (eg Retin A cream) and chemical peels containing alpha-hydroxy acids (eg glycolic and lactic acids) are commonly used for this. Exfoliating scrubs and chemicals like alpha-hydroxy acids and retinoids (including retinol, Retin-A and Renova) can leave skin smooth and glowing because they eliminate dull, dead cells on the skin's surface. To soften skin, use yogurt, which contains the alpha-hydroxy acid called lactic acid. Nonchemical exfoliators such as alpha-hydroxy acids and beta-hydroxy acids loosen dead skin cells so they slough off more efficiently.
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