Toothpaste can help remove eye bags and dark circles but toothpaste is not the best way to remove eye bags or dark circles although it helps some.
Dark circles and eye bags are caused by lack of blood flow to the area and lack of sleep in most cases.
You can help get rid of eye bags and dark circles by massaging the area which helps increase blood flow and make sure you're getting enough sleep at night.
You can help get rid of eye bags and dark circles by applying a cold compress or some warm tea bags.
You can also buy some eye bag cream which you rub into the eye bags and after using the eye bag cream for a week or so you should see the eye bags disappear.
Applying some cucumber slices over your eyes or rubbing some cucumber juice or lemon juice into the eye bags and massaging it in can help get rid of eye bags naturally.
To really get rid of eye bags though it's best to use some commercially made eye bag creams that you massage into the eye bags.
I've used eye bag creams and they have worked great but it just takes awhile to get rid of the eye bags.