All three Hello Product flavors of toothpaste are now American Dental Association approved. The company’s supermint fluoride toothpaste was awarded the ADA seal of acceptance in August. The additional flavors to earn the seal are pink grapefruit and mojito mint. A series of extensive safety and efficacy tests were conducted at the Indiana University Dentistry. Results demonstrated the active ingredient, fluoride, was effectively absorbed into the enamel without harm during the brushing process. ...