Two Canadian students created toothpaste that changes colour in the mouth; their school project is designed to show children when they are brushing properly |
Image Credit: AI Generated Two Canadian students have developed a colour-changing toothpaste designed to make toothbrushing easier for children to understand. Ella Zhang and Gillian Leung, students at Havergal College in Canada, created ‘ToothTint’ as a school project that uses a natural pigment to change colour in response to conditions inside the mouth. The idea…
