Glycerin Needs Hyaluronic Acid’s Publicist

I called dermatologist Dr. Shereene Idriss to ask if she felt glycerin held up to hyaluronic acid, and she went a step further and said she prefers it — it’s an unsung skincare hero that, she says, is better at increasing skin hydration, minimizing water loss, and protecting the skin from irritation. (Because it’s so conditioning, the ingredient can leave your skin feeling a bit sticky afterward. As someone with ultra dry skin, this has never bothered me — but if you have an oilier skin type it’s something to consider.)

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This Skincare Ingredient Treats Acne, Hyperpigmentation & Dry Skin—All At Once

For countless skincare products, niacinamide is touted as a callout ingredient to help fade dark spots and Dr. Idriss credits the ingredient as able to “decrease hyperpigmentation by minimizing the transfer of melanin to keratinocytes.” Those with sensitized skin may prefer niacinamide to others known to cause irritation in some, like vitamin C, hydroquinone, kojic acid or retinoids.

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The Benefits of Retinol

“Retinol is a derivative of vitamin A that helps boost collagen production and aid in cell turnover,” Idriss says. “This results in more even, smoother skin and helps reduce the appearance of sun spots, fine lines, and wrinkles.” It’s because of this rapid cellular turnover that retinol is used in the treatment of acne and has been shown in studies to prevent some cases of skin cancer.

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