Best for: punching signs of aging in the face.
Retinol is one of your most powerful assets in the fight against fine lines, wrinkles, and sagging. Shiseido Pure Retinol Intensive Revitalizing Mask ($63 for four masks) is packed with the stuff, and infuses liquid retinol right into your complexion. It's split into two for a more comfortable fit (and it won't slide off while you wear it. Just be sure to use this treatment at night, and wear SPF the next day — retinol makes skin ultrasensitive to sun.