What is lactic acid? The terminology may be something you hear at the gym or associate with the dairy aisle at the grocery store, but did you know lactic acid can actually be applied into your beauty ...

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 ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products. She's tried ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ingrown hairs are a pain in the neck—and other sensitive places. And if you’ve ever found one along your ...

Lactic acid is an antiwrinkle and pigmentation-fighting ingredient found in over-the-counter (OTC) and professional-grade skin care products. Keep reading to learn how a lactic acid peel can improve ...

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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 ...

Bacteria, including some bacteria in a person’s gut, make lactic acid during fermentation. Manufacturers add lactic acid to food to extend its shelf life, although in some foods, it occurs naturally.