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

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

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 ...

Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk. It's a popular ingredient in numerous skin care products nowadays. But ...

William Truswell, MD, FACS, operates his own cosmetic and reconstructive facial surgery practice. Dr. Truswell was the first in his area in Western Massachusetts to have an accredited private office ...

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 ...