L'Oreal Paris Revitalift Derm intensive 10% pure glycolic acid Serum is a nighttime dark spot correcting face serum used to visibly even skin t1 and reduce wrinkles. This glycolic acid dark spot Corrector face serum is validated in partnership with dermatologists. Glycolic acid is an Alpha hydroxy acid (AHA) that has been used by dermatologists for decades to resurface, exfoliate, brighten, even out the skin t1 and even help de-clogging the pores that can help reduce acne. Revitalift Derm intensive 10% pure glycolic acid Serum is also formulated with Aloe, plant-derived/botanical extract, renowned for its soothing benefits. This lightweight facial serum absorbs quickly with no tacky feel or leftover residue to reduce dark spots and wrinkles for more even, younger looking skin. This face serum was tested on all skin types, including sensitive, and targets skin care solutions for: dark spots, uneven skin t1, anti-aging, and wrinkles. Apply glycolic acid Serum in the evening after using your face cleanser and before applying your face moisturizer or lotion. To protect skin from sun exposure, use Revitalift triple Power SPF 30 Face sunscreen The morning after use. Formulated with Hyaluronic acid, vitamin C and Pro Retinol. To address multiple skin care signs of aging, Use with: Revitalift Derm intensive 1.5% pure hyaluronic Acid Serum for face [hydrate and reduce wrinkles] and Revitalift Derm intensive 10% pure Vitamin C Serum for face [brightens skin].