DL-Mandelic acid is a chemical compound belonging to the family of alpha hydroxy acids (AHAs). It is a racemic mixture containing equal amounts of the D and L enantiomers of Mandelic acid. It is commonly used in skincare products for its exfoliating and antibacterial properties. DL-Mandelic Acid is useful in suppressing pigmentation, treating inflammatory non-cystic acne, and rejuvenating photoaged skin. Moreover, it has proven useful in preparing the skin for laser peeling and helping the skin heal after laser surgery. This product appears as a white crystal substance.
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(R,S)-Mandelic acid (a-hydroxyphenylacetic acid, phenylglycolic acid), C6H5CH(OH)COOH, C8H8O3, Mr 152.15, mp 118 – 121℃, is a colorless crystalline powder. It is readily soluble in ethanol and diethyl ether, less soluble in chloroform, and insoluble in petroleum ether. Its water solubility is 15 g per 100 mL of water. In alkaline solution, mandelic acid dissolves to form salts.
