The L’Oréal Paris Glycolic Bright Glowing Face Serum is formulated with an optimal concentration of 1% Glycolic Acid, brightening skin and visibly reducing dark spots after 7 days.* The Glycolic Bright range acts on 4 key dimensions to brighten your complexion: dark spots, dullness, unevenness and roughness. To achieve this, the formulas harness the power of Glycolic Acid, a gentle chemical exfoliant used by dermatologists to penetrate deep into the pores. This brightening serum helps to remove damaged skin and excess oil with instant visible results. In 15 minutes, the skin is luminous and visibly glowing. In 7 days, the skin is radiant and feels smoother*. In 2 weeks, skin is visibly clearer.* Achieve brighter, glowing, smooth skin with Glycolic Bright Serum. Validated by dermatologists. *Cosmeto-clinical evaluation, 32 women, 4 weeks