Like the dentifrice, it also comes in a two-chamber container that keeps the baking soda separated from the peroxide. The two chemicals react when they come in contact with one another. The reaction is helpful in the mouth, not in the package. In a design patented by Chesebrough and Joe Kornick of Kornick Lindsay (Chicago, IL), each ingredient is kept in a clear bottle of polyethylene terephthalate that sits side-by-side in a molded base of polypropylene. The twin-orifice dispensing snap cap is also molded of PP. The company declined to identify package suppliers. Heavy promotion is planned so the company can capitalize on the product packaging to help establish a "masterbrand" with the toothpaste.
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