What is it?Holland & Barrett Bovine Collagen contains Vitamin C which contributes to collagen formation for the normal function of skin. Collagen is a key part of healthy skin structure, but production slows down after we turn 25. Contributes To Collagen Formation for The Normal Function of Skin Contains Vitamin C for Healthy Skin What Are the Benefits of This Supplement?Vitamin C encourages the production of new collagen; it also helps maintain the collagen that already exists and protects the protein from damage. Collagen is a key part of healthy skin structure. Holland & Barrett International Limited, Barling Way, CV10 7RH, UKHolland & Barrett Limited, 45 Henry St, D01 E9X8, Ireland