6 Reasons Why Sunscreen Is Essential, According to Dermatologists

The sun's UVA rays are responsible for causing both cancer and premature aging, but applying sunscreen reduces your risk of both.

"Sun-related premature aging signs include lines, wrinkles, sallowness of the skin, and sun spots," says Dr. Robinson. "The UV radiation [also] breaks down our collagen, which is the building blocks of our skin. We want to preserve and protect our collagen as much as possible since its breakdown leads to many signs and symptoms of aging."

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