Neutrogena Bright Boost Skin Polish is designed to help stimulate the natural renewal process of skin cells. This skin polisher enhances the natural renewal process of surface skin cells in order to reduce the appearance of dark spots, even skin tone, reduce fine lines, and thus achieve an even and brighter complexion. This product contains alpha hydroxy acids and polyhydroxy acids, which help to gently exfoliate the skin and remove dull and dead cells.