LE DUO SERUM. Benefits: Indulge in the luxury of Serum Le Duo, an age-defying serum combining 2 serums in 1 to fight 10 signs of aging, from firming to visibly reducing lines.. To fight signs of aging, one serum is not enough. With Serum Le Duo, experience 2 serums in 1, a combination of a nourishing, translucent serum with a milky, pearly serum.. For the first time, a formula with Collagen Peptide to help boost cell renewal, improve firmness and visibly smooth wrinkles, and Vitamins B3 and C to help reignite radiance and even skin tone.. Immediately, skin feels smoother and nourished with moisture.. In 2 weeks, skin feels firmer and looks radiant.. In 8 weeks, experience increased tone evenness, plumpness, radiance, and firmness, and a reduction in fine lines.. Dermatologist-tested, suitable for sensitive skin, and made for all skin tones.. Features: Skin Renewing Complex to help boost cell renewal, hydrate, improve firmness and visibly smooth wrinkles.. Vitamins B3 & C* to help reignite radiance and even skin tone. *Stabilized form of Vitamin C. :