Hydrating and antioxidant-rich formula with 80 minute water and sweat resistant. This is the only brush-on SPF product to achieve any resistance to water and sweat on the market. Only sunscreen brush that has earned the United States Skin Cancer Foundation seal for active use. Key Ingredients Include, hyaluronic acid powder for hydration, InfraGuard for IR defense, iron oxide for blue light protection and shade match, with 22.5% titanium dioxide, and 22.5% zinc oxide. (866) 426-5673 colorscience.com Want to read more? Subscribe to one of our monthly plans to continue reading this article.