In the ever-evolving world of beauty trends, few have sparked as much debate—and discomfort—as "menstrual masking." This is the practice of applying menstrual blood to the skin, usually the face, as a ...

Add Yahoo as a preferred source to see more of our stories on Google. The weird, wonderful world of beauty has urged us to spread lots of things on our faces, from snail mucin to scorpion venom, with ...