If you've ever strolled down the never-ending path of BeautyTok, you may have come across plenty of trends, like the ill-fated DIY freckle trend or the ethically questionable dark under eyes trend.
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 ...