Exfoliating, plumping and hydrating, the best products will leave your skin glowing without costing a fortune ...

Here's how to choose the right toner for your skin type and concerns.

In skincare products, exfoliating acids work by loosening the bonds between dead skin cells to support regular cell turnover, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We're here to tell you that lactic acid doesn't just cause sore muscles. In the skincare world, salicylic ...

When I first heard about using lactic acid for skin, I had a moment of confusion—isn't that what builds up in your muscles during a workout and causes soreness later? Turns out: more or less, yes! I ...

Organic acids, though, have carved out a curious exception. Chemicals such as glycolic acid, lactic acid, and salicylic acid ...

You may know lactic acid best either as the substance your muscles produce after a hard workout, or the phenomenon that makes milk go bad. Neither option would suggest that it does incredible things ...