Advocates of this teeth whitening hack recommend rubbing a small square of banana peel on your teeth for two minutes a day. Rich in potassium and magnesium, the peel is said to whiten teeth as the minerals are absorbed into your enamel.
Advocates of this teeth whitening hack recommend rubbing a small square of banana peel on your teeth for two minutes a day. Rich in potassium and magnesium, the peel is said to whiten teeth as the minerals are absorbed into your enamel.