Triple-active power. Inspired by professional treatments, this Vitamin C powered serum rapidly brings a look of radiance and luminosity to dull, lackluster skin, and works to improve the appearance of dark spots and uneven skintone.ILLUMINATES: Skin looks radiant, dewy and glowing with renewed clarity.HELPS EVEN SKINTONE: Skin looks more even-toned. Dark spots and blemish marks look reduced in appearance.REFINES TEXTURE: Skin feels hydrated, softer and smoother, with a more refined-looking texture.82% SAID SKIN IMMEDIATELY LOOKED MORE GLOWING AND LUMINOUS.*84% OF WOMEN SAID THEIR SKIN LOOKED MORE EVEN-TONED.**Formula Facts:• Oil-free• Dermatologist-tested• Ophthalmologist-tested• Won't cause blemishes, won't clog pores (non-comedogenic)• Gentle on all skintypes• Effective on all ethnicities and skintones• Ferment³ + Vitamin C serum• Free of Sodium Lauryl Sulfate, sulfites and drying alcohol• Recyclable glass bottle—made with 20% post-consumer recycled content• Recyclable carton is FSC-certifiedWHAT IS FERMENT³? It’s a powerful triple-ferment combining a high concentration of our exclusive Yeast Ferment with a clarifying Molasses Ferment plus a proprietary Algae Ferment. The ferments work to help improve the appearance of dark spots and clarity for more glowing skin.Estée Lauder scientists are experts in fermentation, a process that concentrates and amplifies an ingredient.WHAT IS VITAMIN C? It’s a renowned radiance-boosting, anti-aging and anti-oxidant ingredient. In the Rapid Brightening Ferment³ + Vitamin C serum, it helps skintone look more luminous and more even and helps reduce the look of dark spots.GOES ON LIGHTWEIGHT. FEELS FRESH. ULTRA HYDRATING.The fast-absorbing formula of the Rapid Brightening Treatment helps smooth skin's texture and enhance the natural radiance of your glowing skin. With anti irritants and Hyaluronic Acid, this Ferment³ + Vitamin C serum infuses skin with plumping, soothing, 48H moisture. Oil-free. Gentle on all skintypes.Derm-inspired. Consumer-tested.Formula Facts:• Oil-free• Dermatologist-tested• Ophthalmologist-tested• Won't cause blemishes, won't clog pores (non-comedogenic)• Gentle on all skintypes• Effective on all ethnicities and skintones• Ferment³ + Vitamin C serum• Free of Sodium Lauryl Sulfate, sulfites and drying alcohol• Recyclable glass bottle—made with 20% post-consumer recycled content• Recyclable carton is FSC-certified*Consumer testing on 280 women.**Consumer testing on 280 women after 2 weeks of product use.