Coincidentally, there recently was a very similar story from another UK university, where they used a substance found in hair to make a new "tooth repair" tooth

Coincidentally, there recently was a very similar story from another UK university, where they used a substance found in hair to make a new "tooth repair" toothpaste: https://news.ycombinator.com/item?id=44922571 https://news.ycombinator.com/item?id=44922571