This product helps even skin tone and optimizes the delivery of active ingredients. It also helps reduce irritations associated with hydroquinone and hydrates new exposed skin. The key ingredients include 4% hydroquinone that suppresses pigment production. Glycolic acid and ascorbic acid purge the appearance of surface pigmentation, and glycerin hydrates newly exposed skin. Saponins modulate the unwanted appearance of inflammation, and vitamin E and butylated hydroxytoluene provide antioxidant properties. In addition, Ethylhexyl palmitate conditions your skin and restores the skin barrier, plus phenyl trimethicone is a  barrier film and penetrate enhancement.