Our most sophisticated serum yet: a high-performance vitamin C facial serum that’s clinically proven to improve wrinkles, pigmentation, and firmness. With 20% tetrahexyldecyl ascorbate, an ultra-concentrated, lipid-soluble form of vitamin C, it helps to fade the appearance of pigmentation and improves signs of skin aging like fine lines, wrinkles, and loss of firmness. A synthesis of super-antioxidants ferulic acid and acetyl zingerone help to enhance the effects of vitamin C. An optimized hyaluronic acid complex brings renewed hydration to the skin, supporting a plump, smooth, and firm appearance.