Lactic acid is a natural preservative often found in foods like yogurt, baked goods, and pickled vegetables. Along with making your food last longer, it can boost your health by strengthening your ...

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.

Lactic acid is the gentle exfoliant making waves in skincare. Discover why experts say it could be the key to brighter, smoother, and healthier-looking skin.

Lactic acid is part of a skin care category called alpha-hydroxy acids (or AHAs), which "help to dissolve the bonds that hold dull, dead skin cells on the surface of the skin," says King.

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 ...

In cancer research, it has long been known that lactic acid, or lactate, is produced in large quantities by cancer cells and that this lactic acid disrupts our defense against tumors.