Consider an overnight moisturizing mask. A product like a sleeping face mask will deliver a surge of moisture while you sleep, giving dehydrated skin a visible boost. Simply slather it on before bed and rinse it off in the a.m. For best results, cleanse and exfoliate your face before applying the mask with a duo like a daily facial cleanser and an exfoliating scrub to clear away debris and skin surface buildup, which will really allow the mask to absorb.