Is Sweat Proof Makeup OK for Your Skin? Here's What a Derm Says

There's no set rule, according to Nazarian. Though you should definitely taking your makeup at night: "Skin does a lot of its healing and renewing while we sleep at night, so my general rule to my patients is that makeup MUST be thoroughly removed before bedtime so the skin can recover properly, at least 6-8 hours at night," she says.

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