If you’re stuck in a romantic rut, you may want to try painting your nails red. At least that is what some TikTok users are attempting in an effort to enhance their love lives. The “red nail theory,” ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Red nail theory has turned into a religion on social media as of late. Creators are buzzing about how ...

If you’ve been scrolling on TikTok and caught yourself wondering “What is the red-nail theory?” let us explain. Among the many beauty trends that have gone viral on the platform, the red-nail theory ...

What you should know -- and which polishes to shop now. When it comes to beauty hacks, there has been no shortage of ideas on TikTok, and the latest trend comes in the form of red nails. "The red nail ...