A member asked:

Can you tell me about the purpose of adding hard soap and calcium carbonate to toothpaste?

A doctor has provided 1 answer
Dr. Joel Doyon answered

Specializes in Dentistry - Cosmetic

Cleanser: They are used as a slight abrasive to help give some texture to the toothpaste to remove/disrupt plaque. Picture it like sandpaper to "smooth" any irregularities on the surface of teeth and the irregularities are the plaque.

Answered 9/28/2016

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