Dermatologists are instrumental in educating their patients about safe sun practices. As residents, we should begin to instill this teaching point into our daily patient encounters. The new US Food and Drug Administration sunscreen guidelines, instituted fully in December 2012, help consumers make more educated decisions about sunscreens they purchase but also introduce new classifications and claims with which dermatologists should be intimately familiar. This article aims to concisely summarize the revisions as well as any continued controversies with the guidelines.