Swish 1 to 2 teaspoons of liquid coconut oil in your mouth for 10 to 30 minutes.Dont let the oil touch the back of your throat.Dont swallow the oil as it contains toxins and bacteria from your mouth.Spit it into the toilet as it could clog drains.Rinse your mouth with water and drink a full glass of water.Then brush your teeth.
Apple cider vinegarIt can be used in very small amount to whiten your teeth.
Make a mouth wash by mixing 2 teaspoons of apple cider vinegar with 6 ounces of water.Swish the solution for 30 seconds.Then rinse with water and brush your teeth.
However,it should be noted that it has the potential to cause damage to the hardness and surface structure of teeth,so use it with caution.
Lemon, orange or banana peelsSome people claim that rubbing lemon, orange,or banana peels on your teeth will make them whiter.It’s believed that the compound d-limonene and/or citric acid which is found in some citrus fruit peels will help whiten your teeth.
Gently rub the fruit peels on your teeth for about 2 minutes.Make sure to thoroughly rinse out your mouth and brush your teeth.
Activated charcoalYou can use activated charcoal to remove stains from your teeth It’s believed that charcoal can remove pigments and stains from your teeth because it is highly absorbent.

Eating fruits and vegetables with higher water contentsIt is said thay eating raw fruits and vegetables with high water contents can help to keep your teeth healthy.The water content is thought to cleanse your teeth and gums of plaque and bacteria that leads to yellow teeth.