The number one way to prevent wrinkles and other signs of aging is with sunblock. Innovative ingredients, like the helioplex in this Neutrogena cream, offer the best protection. SPF 30 is a great starting point, and it goes up from there, but is an SPF 85 necessary? "More is better, so I think it's a good idea," says Miami-based cosmetic dermatologist Dr. Kenneth Beer. "The difference between SPF 60 and 85 is not that much on a percentage basis, but if the products are the same price, why not use the higher one?"

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