• apply liberally 15 minutes before sun exposure• reapply:- after 80 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 SPF of 15 or higher and other sun protection measures including:- limit time in the sun, especially from 10 a.m. – 2 p.m.- wear long sleeve shirts, pants, hats, and sunglasses• children under 6 month: Ask a doctor