Dermatologist on Sunscreens and Skiing

Memo to Skiers: Always use a “broad- spectrum” sunscreen with a SPF of at least 30. Commercial sunscreens are divided into two classes: physical and chemical. Physical sunscreens contain Zinc oxide and titanium oxide. They deflect ultraviolet energy from the skin by scattering ultraviolet light. All other sunscreen compounds are “chemical,” which act by absorbing ultraviolet light and re-emitting the[Read More...]