Pecan, pumpkin, apple — it doesn't matter what kind of pie was served this Thanksgiving, if you had too much, remember: "Those high sugar levels can promote inflammation in the skin and may be associated with acne breakouts," dermatologist Joshua Zeichner, MD, said. Your best next-day defence plan: Summer Fridays Overtime Mask ($44), a exfoliating treatment with pumpkin and apricot seed powder that unclogs pores and keeps skin in the clear.