"It's the smartest and easiest defense against aging," says Fredric Brandt, MD, a cosmetic dermatologist in New York City and Miami. Slather a tablespoon-size dollop of SPF 15 on your face and neck, then rub excess over your hands.
Reshape your 'do with face-framing layers or a side part. Afraid to make a change? "Remember, it will grow back!" says Sarah Rappolt, a stylist at Bumble and Bumble Downtown Salon in New York City.
"Fragrance can be a sensory reminder of lifestyle changes," says Alyson King, a consultant with Perfumania. Choose notes like citrus if you feel energized or lavender to convey your mellow mood.