Whether it’s a silky serum or luxurious cream, there are endless anti-aging products vying for your attention. From retinol to vitamin C to peptides, the ingredients make all the difference and there ...

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 ...

Who says exfoliants have to dry out your skin? This lactic acid serum combines gentle lactic acid with hydrating hyaluronic acid, making it suitable for sensitive complexions. Lightweight and ...

No brand offers a better introduction to the world of skin care than the Ordinary. Strategist writers and editors swear by it, including Rio Viera-Newton, beauty columnist and esthetician, who trialed ...

Lactic acid is an alpha hydroxy acid mostly derived from milk, but it can also be extracted from vegan sources like corn starch and other sugar-rich foods. However, most skincare products use ...

You may have heard of lactic acid occurring in your body, so you may be curious to hear that it’s also found in certain foods. Lactic acid is a type of organic acid produced by bacteria when foods ...

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 ...