Teeth whitening treatments are common these days. Most people go to the dentist for professional treatments that involve lasers and bleaching. Others use store brand products such as whitening strips. Others just use whitening toothpaste such as Colgate. However, there is a chemical used by Colgate Total Toothpaste, which helps prevent gum disease, but can … Continue reading Colgate toothpaste chemical linked to cancer— Any Ways to Whiten Teeth Naturally?