I read WEB MD while in the doctors office yesterday..I couldnt find the exactr article but this one was good to answer the cancer question
"I'm afraid the chemicals in sunscreen might increase my cancer risk." — Laura Baugh, 33, Indianapolis
You may have heard that two common sunblock ingredients — oxybenzone, a UV-absorbing compound, and retinyl palmitate, an antioxidant — may actually increase cancer risk. But the research was done on rats, some of which had a high propensity for developing cancer, and some of the doses were astronomically high, says dermatologist Steven Wang. All the experts we talked to said the evidence isn't strong enough to conclude that the substances are harmful. If you're still worried, avoid retinyl palmitate (it's not an active ingredient anyway) and choose mineral-based creams that use zinc oxide or titanium dioxide instead of oxybenzone.
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