Luckily, in case you didn't know, editor-approved products from The Ordinary are available on Amazon, making it easy to score ...

A check mark. It indicates that the relevant content has been reviewed and verified by an expert Our stories are reviewed by medical professionals to ensure you get the most accurate and useful ...

Sophie is a writer for InStyle, where she reports on noteworthy beauty products—including skin care, hair care, and makeup—and, occasionally, covers celebrity style trends. I’ve dabbled in ...

Found yourself going a bit overboard with high-strength skincare acids? Lactic acid is the low-strength, gentle alternative that has incredible benefits, without the sensitivity. If you’re ...

Our experts help you choose the right combinations for the most effective skincare routine. Reviewed by Julia A. Siegel, MD We love having an extensive skincare routine and partaking in beauty ...

Exfoliation is that friend who always tells you the truth, sometimes a little harsh, but ultimately, they just want the best for you. It’s the skincare step that helps you clear dead skin cells ...

So you been sprinting, Lily? Just a bit of cramp? So that's the lactic acid building up. When an athlete does too much or runs too vigorously, not enough oxygen can be delivered to the muscles.

Researchers have engineered yeast to efficiently convert methanol into D-lactic acid, a key compound for biodegradable plastics and pharmaceuticals. By optimizing gene and promoter combinations, they ...