Ideal for sensitive skin types or those new to vitamin C antioxidant serum, Serum 10 AOX+ utilizes 10% pure vitamin C (l-ascorbic acid) and 0.2% ferulic acid to help neutralize damaging free radicals that contribute to atmospheric skin aging – environmental damage and premature signs of aging caused by free radicals from UVA/UVB radiation. In addition to providing the benefits of vitamin C, this antioxidant serum also helps improve the appearance of fine lines and wrinkles. 10 combines 10% L-ascorbic acid with ferulic acid to provide antioxidant and anti-aging benefits such as reducing the appearance of fine lines and wrinkles. This products helps restore healthy looking skin by neutralizing free radicals, defending against environmental damage, and helping to prevent accelerated aging by stimulating collagen synthesis. Using Duke-patented vitamin C technology, this serum delivers 10% L-ascorbic acid to the skin. Once absorbed, this serum can’t be washed or rubbed off. It remains effective for a minimum of 72 hours, making it an excellent addition to sunscreen. Ideal for sensitive skin types and conditions.