Store-bought tooth-whitening strips contain chemicals that may not have been adequately tested for your health. Try these two all-natural kitchen cupboard tips instead: one comes from the Native Americans and has the side benefit of freshening breath. The other is used in Sweden and tastes divine. Both will help your teeth look whiter and brighter.
Smart Swedes have used this idea for centuries: just rub a cut strawberry on your teeth for a few minutes, or allow crushed berries to remain on your teeth for 5 minutes. The malic acid in the berries will clean and gently remove stains.
Native Americans used sage to freshen breath and whiten teeth. Try this great formula from Annie Bond: