Give your family the strongest start to their day with Colgate Maximum Cavity Protection. Now with Fluoride + Arginine for 4 x more strengthening power*. The new formula utilises 3 ways to strengthen teeth, Arginine: Naturally found in saliva and used to weaken the activity of bad germs, Fluoride: Helps prevent mineral loss and keeps teeth strong and natural Calcium: Helps replenish an essential mineral found in teeth. Colgate Maximum Cavity Protection strengthens your family's smile from within, protecting all around tooth surfaces even where a toothbrush cannot always reach. F`or maximum cavity protection, Colgate Maximum Cavity Protection keeps teeth cleaner, whiter, and stronger.