Calling all skincare junkies—here’s how to tell when your vitamin C serum expired

A dermatologist shares his tips for how you know it's time to trash your Vitamin C serum.

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Photo: Stocksy/Lauren Naefe

This Is the One Product That Scarlett Johansson Always Keeps in Her Purse and on Her Bedside Table

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Upgrade Your Winter Skincare Routine With These 6 Expert-Approved Products

Well+Good consulted experts to share products that will upgrade winter skincare routine. Goodbye, winter scaliness, and hello, hydrated skin.

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Photo: W+G Creative. Source: Omnilux and Skin Clique.