Looking for an antioxidant designed for problem skin? beta AOX is a powerful, advanced and stable antioxidant formula delivered in a lightweight and 100% oil-free serum. Perfect for those who suffer from breakouts and want to use water-based products. Formulated with Medik8's patented copper PCA, a revolutionary ingredient from the Medik8 Firewall research programme that has incredible antioxidant performance without the use of vitamin C. Many people find vitamin C in the form of L-ascorbic acid irritating (regardless of which brand) which is why copper PCA represents a brilliant alternative. Also contains beta-glucan and niacinamide to help soothe skin prone to breakouts.