What is the difference between chemical vs physical sun protection? Physical active ingredients (titanium dioxide and zinc oxide) won't harm your skin or harm our oceans or marine life! ? ? They sit on top of the skin, creating a physical barrier, rather than chemical actives, which absorb into the skin. Chemical actives have also been shown to kill our coral reefs, causing Hawaii to ban their use. ☀️☀️☀️ “Are you familiar with Colorescience — if you aren’t you should be! They make fantastic skincare products using mineral based ingredients which means PHYSICAL sun protection and not chemical." - @iliketotalkblog Thanks so much for the kind words Claudia! ? #FaceShield #EnviroScreen #Colorescience #reefsafe