Many people wonder if a natural sunscreen really works… and what’s the deal with this powder? Our Powder- Me SPF 30 Dry Sunscreen is chemical-free and very water resistant; it is effective immediately because it is a physical sun block, not a chemical one; kids love it because there is no icky greasy feel; it contains clay that actually calms and nourishes the skin while the Titanium Dioxide protects... I could go on and on (I love this stuff!).But as we all know, a picture is worth a thousand words, so here’s the proof: one day last spring, my friend went out to work in the vegetable garden. It was hot and he took off his shirt. My Powder-Me SPF was on the porch, but I had never explained to him how to use it. So he just tapped it all over his back without blending. Did I mention the clay is soothing and calms inflammation? My friend was really happy about that when he applied it (properly) that night.