Does Colgate Crest toothpaste really cause cancer?

Theoretically, it really will! In fact, the main ingredients of toothpaste are the same, both detergent and foaming agent, which will not do much harm to human body, and there are some additives, so that's the problem! Some substances harmful to the human body will enter the blood through the capillaries in the mouth when brushing teeth, thus participating in the blood circulation. Over time, it will gradually accumulate, which may have certain adverse effects on people with poor systems! But I don't think most people will have this situation! Hmm. How interesting