You can also use charcoal and salt to brush your teeth, apparently. http://timesofindia.indiatimes.com/business/india-business/Colgates-charcoal-U-turn-irks-use

You can also use charcoal and salt to brush your teeth, apparently. http://timesofindia.indiatimes.com/business/india-business/Colgates-charcoal-U-turn-irks-users/articleshow/49100310.cms http://timesofindia.indiatimes.com/business/india-business/C...