When you're feeling burnt out, the effects are often written all over your face. Lack of sleep lowers your natural moisture levels and slows down cell turnover, and while "tired skin" isn't a clinical term, "it often means skin that looks dehydrated or dull or less than firm, or sun-damaged," says Hadley King, MD, a board-certified dermatologist based in New York. Sure, eight solid hours of shuteye and ample hydration throughout the day can certainly help, but if you need a quick pick-me-up first thing in the a.m., Elemis Pro-Collagen Morning Matrix ($195) is here to help. 

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