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 healingTransparent Titanium Dioxide: a dispersion of hydrophobic (water-resistant) titanium dioxide that provides high-SPF efficacy with true transparency on the skinVitamin E: moisturizer and potent lipophilic antioxidant inhibits DNA damage, thymine-dimer formation, inflammation, and oxidative damage. Protects against UV-induced photodamageKey Benefits:Contains all-physical transparent sunscreen activesProvides multilevel broad-spectrum UVA/UVB protectionWater-resistantHydrates, smooths, and softensProtects against environmental damage with Extremozyme technology. Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy iS Clinical products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | iS Clinical Extreme Protect SPF 40, 3. 5 oz | Dermstore