No matter your skin tone, sunscreen keeps your skin safe from harmful UVA and UVB rays. But to use it right, you need to know a few things: What SPF to use, how often to reapply and the difference between chemical and physical sunscreen. We explain what to look for on the back of a sunscreen bottle and how to use it effectively.

Learn how to properly use sunscreen, including what SPF to use, how to reapply, and the difference between chemical and physical sunscreens.

Pick the right sunscreen for you