TiZO's multiple Titanium Dioxide & Zinc Oxide particle sizes are coated and structured to create a uniform layer of coverage that prevent UVA-UVB rays from reaching the skin, which inhibits pre-mature skin aging and the formation of free-radicals TiZO uses the #1 rated sunscreen ingredients, as designated by the United States E.P.A. Their mineral sunscreen philosophy: Mineral sunscreens (Titanium Dioxide and Zinc Oxide) are by far the best choice for your skin, your body, and the environment. Their commitment to using 100% mineral sunscreens is right in their name. Exceptional elegance means you'll look forward to protecting your skin! Daily UV protection is a necessity, but it shouldn't feel like a chore. What you put on your body is as important as what you put into it. It's all connected! TiZO avoids chemical sunscreens that can penetrate into the bloodstream. They also stay away from parabens, gluten, fragrances, and dyes. TIZO products are trusted by skin care professionals around the world. Skin Care Professionals are your skin's best friend, helping you keep an eye on changes and keeping your skin radiant! See your dermatologist yearly and your aesthetician regularly. Sun protection lets you enjoy life outdoors! Apply your TIZO, take sensible precautions, and enjoy being outdoors worry-free.