Apply liberally 15 minutes before sun exposure. Reapply at least every two hours. Immediately after swimming, sweating or towel drying. 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 broad-spectrum protection and an SPF rating of 15 or higher, along with other sun protection measures including: Limit time in the sun, especially between 10 am and 2 pm. Wear long sleeve shirts, pants, hats and sunglasses. For children under 6 months, consult a physician.