But in order to actually get the protection, SPF application can’t be done ... M.D. board-certified dermatologist at Entiére Dermatology. “Many people are good about applying sunscreen ...

For example, an SPF 30 isn’t twice as protective as SPF 15, says Mona Gohara, MD, an associate clinical professor of dermatology at ... 45 Coppertone Water Babies Lotion SPF 50 ...