don't offer protection

Do Sunscreens Work?
Do Sunscreens Work?
Do Sunscreens Work?
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...