hydroxy acid

基本解释

Through the copolymerization with hydroxy acid, PEG is endowed with gel system biodegradability;
将PEG通过与羟基酸共聚，赋予凝胶体系生物可降解性；
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BHA, or beta hydroxy acid, is a form of salicylic acid and is used in some topical exfoliants to reverse signs of aging.
或者beta hydroxy acid，是水杨酸的一种，被用在一些局部去角质产品中来扭转老化迹象。
Hydroxy Acid. Hydroxy acid helps remove the upper layer of dead, old skin and invigorates the development of smooth and new skin.
羟基酸可以帮助去除上层死皮老皮，并能刺激新的光滑的皮肤的产生。