Don t skimp, use a handful every time you put it on. If you aren t perspiring, it s best to reapply it every two hours. If you perspire heavily, reapply every forty minutes. Some medications and perfumes can cause chemical reactions with the sun. Retin A can cause skin to burn very easily and twice as fast.
Diuretics can cause a rash or itchy bumps on exposed areas.
Fragrances such as musk or lime can cause a burn or blotches. Tetracycline can increase sun sensitivity resulting in severe burning. Soak for at least 15 minutes. Vinegar has anti-inflammatory properties that help take the sting and swelling out of burns. Avoid harmful tanning methods such as tanning beds, sunlamps or tanning pills .