If you’re wondering how to use hyaluronic acid in your daily skin care routine, you’re not alone. The word acid makes it sound like a daunting ingredient to some, but hyaluronic acid is actually a ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

Glycolic acid is the hero ingredient you may not know you needed. Brilliant at brightening skin tone and texture, as well as reducing the appearance of fine lines, wrinkles, breakouts and blemishes, ...

Uric acid is a waste product formed when the body breaks down substances called purines. While uric acid should exit through urine, it can sometimes build up in the blood and pass into the kidneys.

Aimed at softening and smoothing skin by gently but effectively exfoliating the top layer of skin, lactic acid can significantly improve the appearance of all skin types with regular use. It can be ...

Hypochlorous acid is a gentle acid used for soothing inflammation, speeding up wound healing, and treating skin conditions like acne and eczema. Hypochlorous acid, aka HOCl, is one of the hottest ...

Buzzy skin care ingredients can take off overnight on social media, but the trending acid of the moment doesn’t always come with an instruction manual. Wondering how to apply glycolic acid on your ...

Paola Velez shares her tips for working with this game-changing ingredient. Citric acid is a weak organic acid found in citrus fruits, as well as other produce. It has a sour flavor — which is why ...

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