What it is: A transparent, ultrafine SPF 50 sunscreen mist designed to go over makeup or bare skin. What it does: This easy-to-use spray comes in a refillable dispenser. As the dispenser is exposed to UVA and UVB rays, it changes from white to purple. How to use: Apply over bare skin or at the end of your makeup application. It dispenses as a fine mist. When spraying on your face, be sure to close your eyes during application. It can be used