This concentrated 15% Vitamin C serum has been specially formulated to effectively deliver high concentrations of stable Vitamin C to your skin. Formulated to combat visable signs of premature ageing caused by sun expsure, pollution, smoking and harsh envrionmental conditions. A powerful concentration of L-Ascorbic Acid works below the skin to simultaneously protect against premature ageing caused by UVA/UVB rays, whilst stimulating collagen production. Regular use regenerates collagen and lightens sun-induced pigmentation leaving a more youthful appearance. Dramatically improves skin clarity.