“Leaving dirt, excess oil, and makeup on overnight can enlarge pores and further irritate dry skin,” says Robin Ashinoff, MD, a dermatologist at Hackensack University Medical Center in New Jersey. To suds away signs of aging, gently rub facial cleanser onto damp skin for 2 minutes and rinse 10 times with lukewarm water. More from Prevention: 5 Ways To Wake Up To Better Skin