L'Oreal Paris Age Perfect Serum Le Duo, your age-defying serum with 2 serums in 1 to fight 10 signs of aging. Experience the combination of a nourishing, translucent serum with a milky, pearly serum. Formulated with Collagen Peptide to help boost cell renewal, and Vitamins B3 and C to help reignite radiance and even skin tone. Meticulously crafted with its sleek, gold finishes, let Serum Le Duo take you to a moment of pure indulgence as it sets a new standard for luxury serums. In 2 weeks, skin looks firmer. In 8 weeks, wrinkles look reduced and skin looks younger. Dermatologist-tested, made for all skin tones and suitable for even sensitive skin.Age Perfect Skin Care: Our line for mature skin includes gentle moisturizers, lightweight serums, and anti-aging creams and lotions to restore and revive skin. Tested by dermatologists, suitable for sensitive skin and effective for all skin tones. Visible Results: Immediately, skin feels smoother and nourished with moisture. In 2 weeks skin feels smoother and look refreshed. In 8 weeks, experience increased tone evenness, plumpness, radiance and firmness, and a reduction in fine lines. Collagen Serum With Vitamins Boost: Our combination anti aging serum and brightening serum with Collagen Peptide helps boost cell renewal, improve firmness and visibly smooth wrinkles, while Vitamins B3 and C help reignite radiance and even skin tone. Dual-Phase Innovation: To fight signs of aging, one facial serum is not enough. With Serum Le Duo experience 2 facial serums in 1, a combination of a Collagen Peptide serum with a milky, Vitamin serum for ten benefits. 2 Serums in 1: Indulge in the luxury of Serum Le Duo, an age-defying face serum combining 2 serums in 1 for 10 anti-aging benefits, from firming to visibly reducing lines, helping skin barrier repair and brightening and evening skin tone.