Give Yourself an At-Home Facial

For an Energized Glow

Dullness is a sign you need to exfoliate. "Skin holds on to dead cells rather than shedding them, especially during dry times like winter," says Robin Evans, a spa owner in New York City. Twice a week, apply an exfoliating mask.

Our Pick: Clinique Turnaround Instant Facial, $36.50, clinique.com. A low dose of salicylic acid dissolves dry cells; round beads whisk them away.