9 of the Biggest Skin-Care Questions Asked by Allure Readers

Curated via Twitter from Allure’s twitter account….

Reader, we have some news you probably weren't expecting to hear: Unfortunately, while there are many products to help soothe and de-puff sleepy undereyes (i. e. eye cream), for some, dark circles are hereditary. "The undereye area is one of the thinner areas and is easily neglected in basic skin care," Paul Jarrod Frank, a board-certified dermatologist in New York City, previously told Allure. "There is a strong genetic component to dark circles, which is out of people's control.

In fact, given the current state of our country (and the world), feeling stress — and then watching it manifest on your face in the form of stress acne — is almost inevitable. "The relationship between psychological stress and the physical appearance of skin is affected by complex interactions across the body," Evan Rieder, a board-certified physician who specializes in both psychiatry and dermatology in New York City, previously told Allure. "Stress can cause many skin conditions to worsen.

Until you can squeeze in an in-person visit with your derm, we recommend picking up one of these under-$30 retinoids at your local drugstore and then diligently use three times a week, building up to daily use, if your skin can tolerate it. "Many over-the-counter formulas claim you'll see results within weeks," Gary Fisher, a professor of dermatology at the University of Michigan Medical School, previously told Allure. "But in my experience, it takes an average of 12 weeks for retinoic acid to produce noticeable changes in the skin.

Dark spots, which are caused by melanocytes (cells responsible for skin's color) depositing excess pigment into deeper levels of the skin, are often difficult to treat. "In general, hyperpigmentation is tough to treat and a chronic condition," New York City-based board-certified dermatologist Dhaval Bhanusali previously told Allure.

In non-science speak, that means, depending on the color of the light, LED light therapy can change the path of skin cells for more desirable results. "There is encouraging evidence that blue LED light can alter the microbiome of the skin to improve acne, that red LED light can stimulate collagen synthesis, and that yellow LED light can reduce redness and healing time," Belkin previously told Allure.

That means, post-cleanse, start your routine with a serum — preferably something potent like retinol or vitamin C — as "they deliver active ingredients into the skin most efficiently," Ranella Hirsch, a board-certified dermatologist in Boston, previously told Allure.

Therefore, the "[beauty] claims must really be taken with caution," Elliot Weiss, a board-certified dermatologist of the Laser & Skin Surgery Center of New York, previously told Allure.

LED (light-emitting diode) is a "lower energy form," in which the light is absorbed by the molecules in the skin, which in turn "alters the biologic activity or the activity of nearby cells," according to Daniel Belkin, a board-certified dermatologist at the Laser & Skin Surgery Center of New York. What does this all mean?

Libby, a board-certified dermatologist, previously told Allure. "While there are certainly some ingredients, like stabilized vitamin C, which are more costly to produce, there are absolutely many effective and affordable products at the drugstore that will compare well when matched up against pricier counterparts.

LED light colors may work to differing degrees, according to Bruce Brod, a clinical professor of dermatology at the University of Pennsylvania. "The best evidence is for [blue light], with clinical studies relatively consistent in showing a reduction in acne bumps when used regularly," he previously told Allure. "Though we know red LED light can stimulate collagen synthesis, clinical results are not as easy to prove.

In fact, there are many great dermatologist-recommended skin-care products sitting on the shelves of your local drugstore right now that soothe dry skin — all under $30. "One of the biggest misconceptions in skin care is that the more expensive, the more effective," Tiffany J.

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