Athenique clear solar block is a sun block, not a chemical sun screen. Micronized Titanium, Zinc and Iron oxides make athenique spf 65 clear solar block the most effective UVB/UVA sun block you can buy.
Shake well for 30 seconds before application. Apply 15 to 30 minutes before exposure to sunlight. Apply uniformly and completely to all exposed skin areas. Continue to rub in until fading occurs, especially in hair-bearing areas. Reapply every 2 to 3 hours or after washing for maximum protection.