For full protection, apply liberally (2mg/cm2 of skin) to all exposed skin 15 minutes before sun exposure, then rub in to reduce whitening effect.
Reapply:
After 40 minutes of swimming or sweating
Immediately after towel drying
At least every 2 hours
Sun Protection Measures:
Spending time in the sun increases your risk of skin cancer and early skin aging
To decrease this risk, regularly use a sunscreen with a broad spectrum SPF value of 15 or higher and other sun protection measures including:
Limit time in the sun, especially from 10am-2pm
Wear long-sleeved shirts, pants, hats, and sunglasses
For children under 6 months of age: ask a doctor.