Most of us start life with smooth, unmarked, even-toned skin. But our “birthday suits” take on more color and texture with every passing year.
Spots, blotches, and wrinkles that show up over time are really signs of the sun’s damage to your skin. So is a suntan. The sun’s beams bring out a chemical in your body associated with melanin, which darkens your skin, part of an effort to protect it.