As baby teeth get replaced with permanent ones, the enamel takes up to three years to reach full strength. Big Teeth Toothpaste from Aquafresh utilizes a special formula to help prevent decay in the new arrivals and their predecessors. It contains Aqua, Hydrated Silica, Sorbitol, Glycerine, Xanthan Gum, Titanium Dioxide, Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, Aroma, Chondrus Crispus (Carrageenan), Sodium Fluoride, Sodium Saccharin, Limonene, CI 73360, CI 74160, and 0.315% Sodium Fluoride (1450 ppm Fluoride).