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Zeichner agrees, noting that the superstar ingredient “is a humectant, which means that it pulls in water to hydrate the skin - in fact, it can hold 1,000 times its weight in water." That makes it a great ingredient to apply before bed, when your skin is at its driest. Hyaluronic acid, she says, “helps to bind water to skin cells.” Translation: This ingredient is the key to attaining a dewy, healthy glow. These aspects are integral to helping slow the signs of aging, says Persaud. It’s imperative to develop a skin-care routine that focuses on moisturizing and regenerating skin. Reach for an Overnight Moisturizer With Hyaluronic Acid As past research has pointed out, collagen production decreases with age.īut there are ways to maximize your seven to nine hours of shut-eye to help your skin reach its healthiest - we turned to the experts to steal their secrets. “This may interfere with wound healing, promote early aging, and even lead to acne flares.” A review published in June 2014 in the journal Inflammation & Allergy Drug Targets even suggested that elevated cortisol levels - that are directly associated with stress - can lead to a greater risk of the skin condition psoriasis and slow wound healing time by a whopping 20 percent.Īlso important to note, says Dr. Zeichner, is that traditionally, “cell turnover and likely collagen production increases in the evening.” So by the same token, when sleep is compromised, so is cell turnover and collagen production, which helps skin feel firmer and the complexion to have a plumper, more youthful look. “ Cortisol levels decrease while we sleep, so if you don’t sleep then cortisol levels will remain high,” says Joshua Zeichner, MD, head of clinical and cosmetic dermatology at Mount Sinai hospital in New York City.
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Persaud.Īnd when you’re looking at the snooze-specific bodily functions, it’s important to keep in mind a few hormones produced, particularly cortisol. “Then, overnight repair is compromised and we quickly see the impact of this, for example in the appearance of dark circles under our eyes, changes in skin texture, dry skin, and the onset of fine lines and wrinkles,” adds Dr. If you try to cut down on the amount of sleep your body needs to function at its best, your skin will show it. That’s why after good-quality sleep, skin looks fresher, younger, and more radiant.” According to the National Sleep Foundation, adults need seven to nine hours of sleep per night. “Overnight, skin goes into repair and restore mode, meaning it removes toxins, repairs cell and DNA damage caused by the environment, replaces aging cells, and creates new ones. Anna Persaud, PhD, sleep expert and CEO of ThisWorks, a beauty and wellness product brand, agrees. “With no UV exposure and no dynamic facial muscles contracting, it’s the best time of day for skin.”ĭr. “Our skin rests and repairs itself while we sleep,” says Francesca Fusco, MD, a dermatologist and assistant clinical professor of dermatology at Mount Sinai in New York City. Getting a good night’s rest is critical for your overall health and well-being, but it also turns out there’s some scientific truth to the notion of beauty sleep.