Meridol ® Toothpaste helps protect against bleeding gums. What is special about Meridol ® toothpaste? A unique combination of active ingredients with aminofluoride and tin fluoride: inactivates residual plaque after cleaning and inhibits the formation of new plaque; provides effective protection against caries; promotes the regeneration of already irritated gums. The gentle yet effective formula of Meridol ® acts like a balm to keep teeth and gums clean and healthy. The dual active formula provides instant protection against bacteria.