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Important thing to remember:
• Apply generous amounts of sunscreen to dry skin 30 minutes before you go outdoors.
• Use sunscreen on all skin surfaces that will be exposed to sun, such as your face, ears, hands, arms and lips.
• If you don’t have much hair on your head, apply sunscreen to the top of your head or wear a hat.
• REAPPLY sunscreen every two hours — and immediately after swimming or heavy sweating.
• Remember that sand, water, snow and concrete reflect sunlight and make it even more important to use sunscreen.
• A combination of shade, clothing, sunscreen and common sense is your best bet.
AMOUNT TO USE:
“To achieve the Sun Protection Factor (SPF, which protects against the sun’s UVB radiation) reflected on a bottle of sunscreen, you should use approximately two milligrams of sunscreen per square centimeter of skin. In practice, this means applying the equivalent of a shot glass (two tablespoons) of sunscreen to the exposed areas of the face and body – a nickel-sized dollop to the face alone. If you’re using a spray, apply until an even sheen appears on the skin. Remember that sunscreen needs to be reapplied every two hours, or more frequently after swimming, heavy perspiration, or toweling off. Also remember, no matter how much sunscreen you apply, the SPF should be 15 or higher.”
Dr. Hale is clinical associate professor of dermatology at the New York University School of Medicine. Dr. Hale is a member of the American Academy of Dermatology, American Society of Dermatologic Surgery, American College of Mohs Surgery, American Society of Lasers in Medicine and Surgery, and the New York Facial Plastic Surgery Society. She practices dermatology at Laser & Skin Surgery Center of NY, and lectures extensively on the prevention and treatment of skin cancer.