Ask A Derm: Reapplying SPF, and Ideal Hair Washing Schedule
The Green Derm is back to weigh in on your questions. Show of hands for all those who reapply their sunscreen throughout the day. Chances are, that isn’t many of us. Although many of us know we’re supposed to reapply sunscreen throughout the day, it just doesn’t seem to have turned into something any of us really do. Then, there’s…