9 Beauty Products That Work While You Sleep

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Fade Dark Spots

Glycolic acid in Garnier Clearly Brighter Overnight Leave-On Peel can treat hyperpigmentation, says L.A. dermatologist Ava Shamban. The vitamin C-packed serum provides an instant cooling sensation and is gentle enough for daily use. ($17, drugstore.com)

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Ward Off Creases

NightLift's nylon and elastane wire-free bras with soft microfiber cups separate breasts so the force of gravity won't etch deep vertical décolletage creases in side sleepers. Reinforced satin straps support without chafing. ($98, nightlift.com)

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Drench Dry Hands

When worn once a week, Karuna's single-use Age-Defying Hand Masks, lined with jojoba oil and glycerin, "restore the hydration balance" to help repair and prevent hangnails and split fingertips, says NYC dermatologist Ellen Marmur. ($32 for four pairs, beauty.com)

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Protect Eyes

Swapping cotton pillowcases for silk ones makes sleeping on your side "less likely to crease skin" around eyes, says Marmur. Slip's pillowcases' moisture-wicking fiber slides, rather than pulls, against the face. ($80 each, slipsilkpillowcase.com)

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Zap Breakouts

Peter Thomas Roth's Acne-Clear Invisible Dots Blemish Treatment holds doses of pore-declogging salicylic acid and tea tree oil. They're barely noticeable, says Marmur, who adds, "You can get away with wearing them to work in the morning!" ($30 for 72 dots, sephora.com)

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Hydrate Skin

"Skin can lose a lot of water while you sleep," says Marmur, who adds that an oil-based moisturizer seeps in deeply. Lancome Visionnaire Nuit Beauty Sleep Perfector, a soybean and sunflower seed oil-laced translucent face gel, melts when messaged into the face, without leaving a shiny finish. ($88, lancome-usa.com)

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Cool Down

Clearer skin is no sweat! A memory-foam pillow specially woven to dissipate heat and regulate body temperature (like Beauty Rest's Diamond Luxe Traditional Shape 5'' Ventilated Pillow) can reduce breakouts, "especially if you have oily skin and are prone to perspiring on your face and scalp," says Shamban. ($149 for a 5x16x28-inch pillow, beautyrest.com)

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Soften Lips

Drunk Elephant Lippe is packed with avocado, cranberry and marula oils. Peptides and sea fern algae extract in the apricot-scented balm boost collagen production, and green tea prevents damage from UV-ray exposure. ($22, drunkelephant.com)

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Calm Itchiness

Dry patches are alleviated when water from Dyson's Hygienic Mist Humidifiers is released into the air and absorbed by skin. The self-adjusting machine also helps speed cold recovery by keeping nasal passages lubricated. ($500, dyson.com)