It may be tempting to toss that SPF 100 into your cart. Don’t. “The SPF numbers war is mostly a marketing tool,” says Dr. Robert Friedman, a dermatologic oncologist and a clinical professor at the NYU School of Medicine. “There really is not much difference between SPF 30 and SPF 80 when sunscreen is properly applied.” While you’re safe to go with any SPF over 30, make sure the product you pick offers broad spectrum UVA and UVB protection, which will shield your skin from the two types of radiation that reach Earth’s surface. Other key components: “Go for water-resistant products that include ingredients like stabilized avobenzone, mexoryl, zinc oxide and titanium dioxide,” says Friedman.
Try: Blue Lizard Sensitive.