The latest beauty TikTok trend to go viral? Beef tallow for skin. And in the name of science, I slathered beef fat on my face for seven days (yes, you read that right) to see if it’s worth the hype.

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Social media has countless recommendations for the ...

Meet Demodex, the face mite, a microscopic arachnid that lives on human skin. The pore is its humble abode and the waxy sebum we secrete is its meal of choice. It's hard to know for sure ...