There are plenty of modern cosmetic practices that run the gamut from physically painful to medically risky. Check out these historic beauty practices that are even scarier than modern ones. In the 1800s, the invention of metal eyelets allowed women to cinch their corsets tighter than ever before, with acute medical consequences. Applying Radioactive Face CreamIn the early 20th century, before anyone knew about the health risks of radiation, radioactive consumer products were all the rage. In the early 1900s, several newspaper accounts reported that women were eating pills filled with tapeworm eggs as a way to lose weight.