The local buzz on sunblock:

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The average sunblock can protect you from the sun’s unforgiving UV rays, but what protects you from the harsh chemicals in that sunscreen? Ingredients in some sunscreens (oxybenzone, padimate O and sometimes avobenzone, for example) can be irritating to your skin, says Naana Boakye, M.D., of Bergen Dermatology (201.567.7546, bergenderm.com) in Englewood Cliffs.