School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan ...

Alpha, beta, hydroxy acids, vitamins, and derivatives -- the words on skin care products can be confusing. This simple guide will help you understand the ingredients that may benefit your skin.

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These acids belong to a group of substances known as alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs). They are popular ingredients in skin care, but improper use can damage skin.