Many popular sunscreens don't really work.  A new study shows 80 percent of the SPF products on the market don't offer the protection stated on the label.

The Environmental Working Group's 2015 sunscreen guide also noted questionable or unsafe ingredients in some of the more than 17-hundred products tested.

Researchers singled out Neutrogena for including an unsafe preservative in its baby suncreens while claiming they provide "special protection" from the sun and irritating chemicals.

A list of the worst offenders is posted online under the heading EWG Sunscreen Hall of Shame at ewg.org.  (Metro Networks Inc.)

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