Our natural biodegradable sunscreen, Sol Guard SPF 4 , contains a unique blend of non-toxic and all natural ingredients found only in natural/biodegradable sunscreens and lotions.Blocks the most harmful UV rays, yet is a minimum sunscreen. People with dark tans or darker complexions typically use the Sol Guard SPF4 Sunscreen and/or Lotion. Our SPF 4 natural sunscreen contains anti-aging moisturizers that rejuvenates while hydrating your skin, allowing your skin to cool when exposed to the sun. All our sunscreens are biodegradable and contain natural ingredients such as Cucumber, Melon Extracts, organic Aloe Vera, & Kukui Pod Oil. Other ingredients found in our sunscreen that assists with protecting your skin include Wild Pansy, Hibiscus, and Green Coffee.