Formulations compared in this testing included commercially available CPC mouthrinses : Crest Pro Health ( CPH ) , ( containing @ ppm formulated CPC ) ; Colgate Total Puerto Rico ( CT@ ) , ( containing @ ppm formulated CPC ) ; Colgate Total US ( CT@ ) , ( containing @ ppm formulated CPC ) ; and Scope Mouthwash ( SCP ) , ( containing @ ppm formulated CPC ) .