How the Chemicals in Sunscreen Protect Our Skin

Don’t skimp on the SPF. (Credit: Sabphoto/Shutterstock)Kerry Hanson, University of California, Riverside Not so long ago, people like my Aunt Muriel thought of sunburn as a necessary evil on the way to a “good base tan.” She used to slather on the baby oil while using a large reflector to bake away. Aunt Muriel’s mantra when the inevitable burn and peel appeared: Beauty has its price.