Hypopigmentation

With reduced natural protection against UV rays, women over 30 should also be on the lookout for new moles and skin growths, which tend to spring up more often at this age. And while most moles are benign, it's important to know the ABCDEs when you're checking your body for new spots—asymmetry, border, color, diameter, and evolving—all of which may indicate that mole is something more serious.