Radium immediately became popular, and it was added to just about any product to make sales. Back then, it was known as a cure-all. An associate professor of radiation medicine, Timothy J. Jorgensen, explained the fascination with the element back then. “Before people started to fear radioactivity, all they seemed to know about it was that it contained energy,” he said in an interview with CNN. In addition, radioactive face creams provided a luminous glow to the skin. Shortly after radium’s discovery, there were several radioactive beauty products available on shelves, and consumers were buying them left and right.

The said beauty products claimed to remove wrinkles, regenerate the skin, and bring out one’s natural beauty, and many people believed it. However, there was no scientific evidence to back up those claims. By 1925, reports of the dangers of radium started to emerge. Young women who worked in watch factories and used luminous paint — known as the Radium Girls — soon started developing symptoms, such as fatigue, brittle jaws, and tumors, according to CNN.

Over the years, more information was revealed about the dangers of radium, and today, one of its few uses is for the treatment of cancer (via Live Science).