Hello, the formula to use
Carbamide Peroxide to make teeth whitening function will not be able to have water can be a component In the case of making toothpaste, it may be difficult because toothpaste needs water as a base to dissolve
สารชะล้าง for cleaning teeth.
Hydroxyapatite and
Sodium Fluoride can be easily mixed in toothpaste. because it can disperse/dissolve in water