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 ...

You may have heard that salicylic acid and glycolic acids are great exfoliating acids. Turns out, there is another skincare acid that can be added to the exfoliator list, too. Lactic acid. “Lactic ...

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 ...

Skin care can be an investment. When it comes to the products you're slathering all over your face, you want to ensure you're getting an efficacious formula that's suitable for your individual skin ...

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 ...

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.

Lactic acid is a substance your body makes as your cells use glucose for energy. This also leads to the formation of lactate. Your muscles make a lot of lactic acid, but any of your cells can also ...