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 ...

"It’s our most requested product," Peach & Lily founder and CEO (and esthetician) Alicia Yoon tells me over Zoom. "We took our time with this since we wanted to deliver something that could be as ...

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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 ...

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While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

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 ...

Should you choose the deep-penetrating power of Glycolic Acid or the gentle, hydrating touch of Lactic Acid? Let’s break it down so you can exfoliate like a pro without fearing irritation or unwanted ...

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 often vegan, but this is not always the case, as its sources include dairy products and meat. It occurs naturally in some foods, but manufacturers may add it to certain foods to extend ...