Toothpaste as we know it today however is a comparatively recent development. In this activity, students will investigate several properties of toothpaste samples, provided in the kit, including presence of fluoride, pH, abrasiveness, and foaming ability. As a second activity, students will use the included materials to create their own toothpaste. Contains enough materials for fifteen groups.

Materials included in the kit:
1 x 30 ml Hydrochloric Acid UN1789; 1 x 100 ml Glycerin; 1 x 25 g Sodium Lauryl Sulfate UN1325; 1 x 25 g Gum Arabic; 1 x 150 g Calcium Carbonate; 3 tubes Toothpaste; 1 Pkg/50 Universal Indicator Strips; 1 Pkg/50 Fluoride Test Strips; 1 Pkg/15 Acetate Sheets; 45 Polystyrene Test Tubes; 45 Graduated Plastic Pipettes.