A trip to the park or the beach often starts with a good coat of sunscreen.
Most of us are pretty savvy about the consequences of too much sun.
But many consumers are unaware that some products don't protect against both UVB and UVA rays which are both linked to cancer.
We found several well known brands that only had UVB protection.
"That is concerning, cause especially like I said I'm so fair, my children are fair, so you really want to feel like you're putting sunscreen on it's something that's going to work," Kitty Googer.
"I'm probably gonna check the labels now, definitely," said Elena Hernandez-Rubio.
The food and drug administration does not require companies to protect against UVA and UVB rays.
Meanwhile consumer groups are stepping in. Environmental working group, a non-profit test 1,700 sunscreens every year. They've found that three out of five formulas, don't even provide the protection promised on the label.
"Is there anything that is truly waterproof and truly provides 100%, no there's not. But unfortunately as a manufacturer, you could label and market a product that way although it may not be delivering what you're promising," said Dr. Peter Neidenbach with West Side Dermatology in Spartanburg warns.
Check labels but be weary of promises re-apply often and when in doubt cover up.
A few more label listings to keep in mind:
Not all chemical UVB blockers are alike. Oxybenzone is the most common but Avobenzone is recommended by more dermatologists because it has less known side-effects.
Dermatologists cite Anthelios with Mexoryl as the best sunscreen of all. It's a proprietary formula from French manufacturer LaRoche-Posay. But it can be expensive at $30 a bottle.
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