Thinkbaby award-winning SPF 50+ sunscreen is top-rated by the Environmental Working Group with a #1 rating and was the first sunscreen to pass. Whole Foods Market Premium Care Requirements. Thinkbaby sunscreen boasts the highest level of water resistance for 80 minutes, UVA/UVB broad spectrum coverage and the highest SPF allowed by the FDA. Unlike most of the mineral-based sunscreens on the market, Thinkbaby sunscreen rubs in easily and does not feel greasy.