Say hello to your new anti-ageing, skin brightening hero - The Obagi Professional C-Peptide Complex. This powerful serum delivers vitamin C, kinetin, zeatin, peptides and hyaluronic acid to your skin, to rejuvenate fine lines and wrinkles and boost radiance. The Obagi Professional C-Peptide Complex contains peptides. These peptides stimulate collagen production, which firms the skin, reducing the appearance of fine lines and wrinkles, so you can achieve a fresher, healthier complexion. This serum contains vitamin C, a potent antioxidant which shields skin from free radical damage; a known cause of premature ageing. Vitamin C helps to reduce pigmentation, calm inflammation and boost the skin's radiance, making it a real anti-ageing skincare must-have.