Maine Cosmetologist Practice Exam

Question: 1 / 400

Which ingredient is most commonly found in exfoliating products?

Beta hydroxy acids (BHAs)

Retinol

Alpha hydroxy acids (AHAs)

Alpha hydroxy acids (AHAs) are widely recognized as one of the primary ingredients in exfoliating products due to their ability to gently dissolve the bonds that hold dead skin cells together on the skin's surface. This process promotes cell turnover, revealing fresher, smoother skin underneath. AHAs, such as glycolic and lactic acid, are water-soluble and are particularly effective for sun-damaged skin, uneven skin tone, and fine lines.

Exfoliating with AHAs not only helps to improve the texture of the skin but also enhances the effectiveness of other skincare products by allowing better penetration. Their widespread use in various formulations—like serums, peels, and creams—highlights their importance in cosmetic chemistry and skincare regimens aimed at achieving a glowing complexion.

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Salicylic acid

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