Z Blok No Touch Sunscreen Clear SPF45 .50oz Z Blok sunscreen's unique formula does not contain oxybenzone, which is harmful to coral reefs. It also does not contain fragrances or inexpensive petroleum based ingredients, which may cause your eyes to sting. Z Blok does contain the natural mineral zinc oxide (10%), which helps protect against skin cancer and premature skin aging without eye irritation. Z Blok sunscreen also provides broad-spectrum sun protection from both UVA and UVB rays. It is highly water-resistant so it stays on your skin instead of coming off in the water. Try Z Blok Sunscreen and see the difference that quality ingredients make in sun protection.