If you're a skin-care fanatic who spends hours on #skintok, you may have already come across tartaric acid, a trendy skin-care ingredient making its way into many new formulations. If you haven't ...

Dermatologists explain why—plus how to use them.

Dark spots are one of the trickiest skin concerns to treat because there are so many potential underlying triggers. Exposure to the sun is a common cause of hyperpigmentation, but hormonal changes, ...

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Polyglutamic acid (PGA) and hyaluronic acid (HA) are both powerhouse hydrators, but they function differently on the skin. While HA penetrates deeper to attract moisture, PGA sits on the surface to ...

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With ferulic acid offering so many perks for skin, there’s little reason not to incorporate the ingredient into your daily routine. Here, the ferulic acid serums worth shopping.