Jason Sea Fresh Strengthening Toothpaste - Deep Sea Spearmint - Features Blue Green Algae rich in Calcium, proteins and antioxidants, to strengthen your teeth and gums and potent Spearmint and Parsley Extracts to keep your breath fresh and clean. Jason's exclusive blend of polishers and stain-fighting botanicals includes Bamboo Powder, Calcium Carbonate and Silica to help prevent tartar build-up while gently brightening your smile.