iS Clinical's Extreme Protect SPF 40 is an antioxidant-rich broad-spectrum sunscreen that helps support optimal skin health as it moisturizes and protects. A blend of antioxidants derived from centella asiatica stimulates collagen production while vitamin E moisturizes and protects against UV-induced photodamage. Key Ingredients: Antioxidants: asiaticoside, asiatic acid and madecassic acid (sourced from centella asiatica) are efficacious antioxidants that stimulate collagen synthesis and improve microcirculation, capillary flow and vascular tone, to promote wound healing Transparent Titanium Dioxide: a dispersion of hydrophobic (water-resistant) titanium dioxide that provides high-SPF efficacy with true transparency on the skin Vitamin E: moisturizer and potent lipophilic antioxidant inhibits DNA damage, thymine-dimer formation, inflammation, and oxidative damage. Protects against UV-induced photodamage Key Benefits: Contains all-physical transparent sunscreen actives Provides multilevel broad-spectrum UVA/UVB protection Water-resistant Hydrates, smooths, and softens Protects against environmental damage with Extremozyme technology