This a very high end Vitamin C. Dermatologist level formula made by Doctors for Maximum Restoration + Hydration. Our Ultra Hydrating ALA Serum has 3X Pure Hyaluronic Acid and Matrixyl 3000 with Sunblock. Vitamin C protects, restores and plumps the tissue with a moisturizing coating for ultimate protection. This product diminishes brown spots, smoothes fine lines, and wrinkles. For men and women. Use twice a day, once at night, and once in the morning for best results. 1 oz.