Avoid outdoor activities during peak sun intensity (10 a.m. to 4 p.m.), even on cloudy days

Wear protective clothing (e.g., long sleeves, long pants, wide-brim hats) during the day

For patients at increased risk, consider clothing with a high UV protection factor (> 30)

Use sunglasses that provide 100% UVA and UVB protection

Use a broad-spectrum sunscreen with an SPF of at least 15

Use a sunscreen that is water-resistant (40 to 80 minutes of protection in the water)

Apply sunscreen to dry skin 15 to 30 minutes before exposure to the sun

Reapply sunscreen every two hours or earlier when sweating, swimming, or towel-drying

Discard any sunscreen older than three years