In my line of work I find that most people think one thing of SPF: the higher the better. But that is only half true. It does not mean more effective protection instead it refers to longer protection. When we really understand what “SPF” stands for and how it is determined, we can decide which situations make higher sun protection factors better and which ones actually do not require them to be high. I’m a stickler for people really knowing how their skincare functions so, here is a short video about what SPF is and how its calculated for your viewing pleasure.