Lactic acid has long been vilified, but new research shows that it doesn't impair muscle function. In fact, it might actually be good for you. Like all great villains, lactic acid has been ...

"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 ...

From glycolic to salicylic, exfoliating acids have quickly become a mainstay in our beauty routines. But lactic acid seems to be the lesser known of the bunch, despite being a dermatologist’s favorite ...

Made from the bacterial fermentation of sugar, lactic acid appears as an additive in vegan foods ranging from sourdough bread to soy sauce. This bacteria gives food its signature sour taste and acts ...

Putting acid on your face might sound like a recipe for disastrous stinging, burning, and peeling—a la Samantha’s lobster-red face in that unforgettable episode of Sex and the City. Lactic acid for ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When it comes to all-star skincare ingredients, science has a way of creating ...

Aimed at softening and smoothing skin by gently but effectively exfoliating the top layer of skin, lactic acid can significantly improve the appearance of all skin types with regular use. It can be ...