Physical UV Defense provides full protection from damaging UVA and UVB sun rays. This colorless formula is ideal for use under makeup and cosmetics. Because is uses natural Zinc Oxide and Titanium Dioxide, it is safe to use on children as young as 6 months. Recommended Use: Apply liberally 20 minutes before sun exposure and as needed. May be applied under makeup or other cosmetics. Size: 3 fl oz.