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If I were to rifle through your current skincare lineup, I’d bet I’d find at least one of the following: salicylic acid, ...

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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 ...

What is lactic acid? If you’ve ever tried to sprint as fast as you can at the end of a race or bang out a set of heavy squats in the gym, you’ve probably experienced an uncomfortable burning sensation ...