Toothpaste Made with Hair Protein Repairs Teeth

Scientists have found a new way to help our teeth. They made a special toothpaste using a part of hair called keratin. This toothpaste can fix small cracks in teeth.

Now, we use something called fluoride to keep our teeth strong. But this new keratin toothpaste might work even better. It can stop teeth from getting damaged.

The scientists say this new toothpaste will feel just like normal toothpaste. It will be minty and foamy. They want everyone to be able to use it, so it won't be too expensive.