"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." But did you know that not all vitamin C serums are created equal? There are a variety of forms of vitamin ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to achieving bright, glowing skin, a vitamin C serum is key. But not all vitamin C serums ...

The buzzy skincare ingredient may not be the main character anymore.

This skincare ingredient is a mainstay for a reason.

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Vitamin C, also known as ascorbic acid (AsA), is a prevalent antioxidant found in various organisms, notably plants and animals. Functionally, AsA plays a variety of roles, from enzyme cofactor to ...