Does a sunscreen stay effective after its expiration date?
Does a sunscreen stay effective after its expiration date?
While plenty of your chosen sunscreen’s characteristics can be left up to personal preference, there are two things you shouldn’t compromise on: an SPF of at least 30, and broad-spectrum protection.
We asked Elizabeth Buzney, MD, outpatient clinical director of the Department of Dermatology at Brigham and Women’s Hospital and assistant professor of dermatology at Harvard Medical School, how to use sunscreen most effectively.
Regular readers of our blog should know our sun safety tips by heart, but there’s one that we know people have trouble with: remembering to reapply sunscreen.
