What happens if you use expired toothpaste

Many people buy a lot of toothpaste when there is a promotion in the supermarket. If the toothpaste is not used up at home, it will expire. It is best to avoid using expired toothpaste, because after the toothpaste expires, the substances in it that have a protective effect on the teeth will change. It is very likely that our teeth will be corroded after brushing. So what will happen if the toothpaste is expired?

It is best not to use expired toothpaste.

Toothpaste has other functions besides brushing your teeth:

1. To remove tea stains and coffee stains left in enamel tea cups, apply toothpaste on the inner wall of the cup and scrub it repeatedly. It will be as bright as new in a short while.

2. Rust and scale are easily left under the faucet. Apply toothpaste and scrub it, and it can be cleaned quickly.

3. Wipe the surface of stainless steel utensils with toothpaste to make them look as bright as new.

4. After using the electric iron for a long time, a layer of rust will be left on the bottom. You can apply a little toothpaste on the bottom of the iron and wipe it gently to remove it.

5. If silverware is left unused for a long time, a black oxide layer will appear on the surface. Just wipe it with toothpaste and it will become shiny silvery white.

6. If clothes are stained with animal or plant oil, squeeze some toothpaste on them, rub them gently a few times, and then wash them with clean water. The oil stains can be removed.

7. When polishing leather shoes, add a little toothpaste to the shoe polish and rub them to make the shoes more shiny.

8. After cleaning the fish, there will always be a fishy smell on your hands that is difficult to remove. First wash your hands with soap, then apply toothpaste and rub them repeatedly. After washing with clean water, the fishy smell will be easily removed.

9. The reflector of the flashlight will become black over time. You can wipe it gently with a piece of gauze and a little toothpaste to make it as bright as new.

10. Can remove scratches on the watch surface. Apply a small amount of toothpaste on the surface of the watch and wipe it repeatedly with a soft cloth to remove small scratches.

11. Remove stains from the closet mirror. You can use a flannel cloth with a little toothpaste to wipe it and the stains will be removed.

12. If the ink stain on clothes is not large, you can rub it repeatedly with toothpaste and rinse it with clean water to remove it.

13. Use toothpaste to stick pictures on the wall, which is both firm and does not damage the wall. If you want to remove it, just wet the posted area with water and it can be easily removed.

14. When writing with a fountain pen, if you make a mistake, apply some toothpaste and it will be cleaned immediately.