COLLAGEN AND VITAMIN C SERUM Illuminating serum This ultra-light texture is enriched with collagen and vitamin C to give the skin a plump, compact and radiant effect. Collagen is the main protein of the extracellular matrix, and forms the struttura of the skin, while Vitamin C plays a fundamental antioxidant role, enhancing the naturale Skin radiance. Skin is instantly more regenerated, with a fresh and luminous appearance.