Professional Strength Pro-Collagen Vitamin C Serum
Four times more activity than regular vitamin C, this highly stable lipid-formula has no skin irritation and penetrates in seconds. Once absorbed it cannot be washed off. Contains 3% Tetrahexyldecyl Ascorbate and natural vitamin E for enhanced 'network antioxidant' activity. Enhances sunscreen protection against free-radical damage. Designed for both men and women in their mid-20s to 40s.