Does your skin become drier as the temperature drops? L'Oreal Paris consulting dermatologist Gervaise Gerstner recommends slathering on heavier moisturizers in the colder months. “Serums can also give skin additional hydration.” We love Koh Gen Do All In One Moisture Gel ($52; kohgendocosmetics.com) which is both a serum and moisturizer.
Are you shiny year round? Avoid heavy weight creams, but don't skimp on moisture altogether. “I like a lightweight serum like L’Oréal Paris Youth Code Intense ($25; at drugstores).”
Do you have an oily T-Zone? See above. Just skip lotioning along the forehead and nose.Read MoreLess