This duo includes two full-size 1.7 oz./50ml bottles of Perfectionist Pro Rapid Brightening Treatment.Triple-active power. Inspired by professional treatments, this Vitamin C powered serum rapidly ignites skin’s radiance and targets multiple types of dark spots to reveal a more even-toned look.1 WEEK 96% said skin felt smoother.(1)93% said their complexion looked healthy.(1) 87% said skin looked brighter with renewed clarity.(1) Visible improvement(2) in radiance, even tone, smoothness and texture.2 WEEKS Dark spots look reduced—both in intensity and contrast.(3) 84% of women said their skin looked more even-toned.(4)1 BOTTLEWith one 1.7oz./50ml bottle, see a significant reduction in the look of: Dark spots, sun spots, age spots Discoloration, uneven tone Post-acne marks PoresInspired by professional treatments, it rapidly brings radiance and luminosity to dull, lackluster skin. Targets the appearance of multiple types of spots and uneven skintone. Anti-oxidants help protect against environmental damage and the formation of new skin discolorations. Reveals the look of more even-toned, dewy, glowing skin.Proven effective for all skintones.3 POWER FERMENTS + VITAMIN CWith its exclusive complex of radiance-boosting actives, this Ferment³ plus Vitamin C serum helps CALM skin so it can help resist irritation-induced dark spots. Helps BREAK the cycle of dullness. Helps BLOCK the appearance of future dark spots with powerful anti-oxidants. And helps BOOST an undeniable clarity.What is Ferment³? A powerful triple-ferment combining a high concentration of our exclusive Yeast Ferment with a spot-targeting Molasses Ferment plus a proprietary Algae Ferment with powerful soothing activity. All three ferments work to help reduce the appearance of dark spots and enhance clarity and calm for glowing skin. Estée Lauder scientists are experts in fermentation, a process that concentrates and amplifies an ingredient. Our ferment complex is 98% naturally derived.(5)What is Vitamin C? It’s a renowned radiance-boosting, anti-aging and skin-boosting active. In this Rapid Brightening Ferment³ + Vitamin C serum, it targets dark spots in the deepest layer of skin’s surface to help reduce the look of skin discolorations. And with its anti-oxidant properties, it helps prevent the appearance of new spots and skin discolorations.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 a potent dose of Hyaluronic Acid, this Ferment³ + Vitamin C serum infuses skin with plumping, soothing, 48H moisture. Anti-oxidants help protect against environmental damage and the formation of new skin discolorations. Oil-free. Gentle on all skintypes.Derm-inspired. Clinically tested. (1) Consumer testing on 280 women after using product for 1 week.(2) Clinical testing on 114 women after using product for 1 week.(3) Clinical testing on 114 women after using product for 2 weeks.(4) Consumer testing on 280 women after using product for 2 weeks.(5) Per ISO Standard 16128. From plant sources, non-petroleum mineral sources, and/or water.