We all know that coffee, tea and other things, color the teeth and turn them yellow. Here is a cheap and effective way to whiten teeth that have lost their shine!
Take a piece of a banana peel and rub it on your teeth for 2 – 3 minutes daily after brushing your teeth. The banana peel contains manganese, magnesium, calcium and potassium which do wonders in whitening the enamel of the teeth.