Okay, this is wild: scientists might be swapping out fluoride for something you literally grow on your head—keratin from hair and wool! Researchers found this protein can actually repair and protect your teeth better than regular toothpaste. Imagine brushing your teeth with something made from hair clippings. If all goes well, this next-level toothpaste could hit shelves in just a couple years. Would you try it? #Beauty #science #toothpaste