Black Diamond Formula is the best sunscreen around. Special technology gives you what you want, an ultra-lightweight, non-greasy sunscreen that absorbs into skin immediately with virtually no odor. Sun Guard Oil-Free Very Water/Sweat Resistant Sunscreen stays on in extreme conditions. The unique oil-free formula won't run or drip into eyes, and absorbs quickly, with no heavy, oil residue. Advanced UVA and UVB screens provide effective protection from damaging rays. Retains SPF after 80 minutes of sweating or activity in the water. High protection against sunburn. Fragrance-free. Colorant-free. Dermatologist tested. How do I use it? Apply generously and evenly before sun exposure. Reapply at frequent intervals and after swimming and towel drying. What's in it? UVA and UVB Screens, including Parsol, the latest approved sunscreen active known for its superior ability to screen UVA rays. Advanced silicones provide an elegant, lightweight feel and superior spreadability on skin