This serum strengthens, protects and brightens the skin tone by enhancing collagen production via 5 types of pure, stabilized vitamin C, that combined, yields a 20% active vitamin C complex. It also features a comprehensive brightening system including Arbutin and Bearberry. When used daily, the serum fights free radicals via the biocompatible antioxidant system that includes Vitamin E and CoQ10. The product is oil-free, fragrance-free, paraben-free. Gluten-free and hypoallergenic.