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Your Body: Let the Sun Shine Play it safe with our guide to healthy summer skin and hairBy Meredith Asplundh Let's face it
Sunblock basics : "Even the best blocks shield you from only 90 percent of the sun's harmful rays," says dermatologist Alexa Boer Kimball, physician for Tiger Adventure, an adventure-racing team. UVB rays burn the top layers of skin, but the deeper-penetrating UVA rays can cause long-term damage and skin cancer. Look for sunscreens -- no less than SPF 15 -- that protect against both types of rays with avobenzone (a.k.a. Parsol 1789) and the physical blocks zinc oxide or titanium dioxide. Apply at least 20 minutes before heading out and be generous; you need about an ounce for your entire body. Reapply every two hours and after swimming or sweating. If a sunscreen is more than two years old, toss it. Saving face : A baseball cap keeps your nose and scalp shaded but not your ears, chin or cheeks. Deal with it and get a hat with a four-inch brim. Don't forget your eyes. Prevent cataracts and other sun-related eye diseases with UV-filtering shades (like the Mossimos above). Clothes call : Typical summer fabrics have an SPF of about 6.5, but some are better sun blockers than others according to research from the Morehouse School of Medicine in Atlanta. Polyester crepe, bleached cotton and viscose are virtually transparent in the sun, while unbleached cotton, high-luster polyesters and thin silks reflect radiation. The tighter the weave or knit, the higher the SPF; to check, hold fabric to the light. Darker clothes have a higher SPF, but they're hotter too. (Stay dry too: A third of a material's SPF is lost when it's wet.)
Hair Defense | Most Valuable Products Where to Find It: Aloe Gator: 800-531-5731; The American Skin Company: 800-260-8143; Banana Boat: 800-SAFE-SUN; Bath & Body Works: 800-395-1001; Body Drench: 800-722-2639; Bull Frog: www.bullfrogsunblock. com; Coppertone: 800-842-4090; Dermalogica: 800-831-5150; H2O Plus: 800-242-2284; Kiss My Face: 800-262-KISS; L'Oréal: 800-345-5014; Philip Kingsley: 800-475-1653; René Furterer: 800-522-8285.
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