Case Study: Comparison of the Ability of Toothpaste Formulations to Remove Surface Stains

Innovation is a core focus for science-led developers of oral care products such as toothpastes. These products must be evaluated for efficacy and performance with a robust, scientific approach. A pellicle cleaning ratio test (PCR) is an in vitro method designed to compare the ability of toothpaste formulations to remove surface stains. In this case study, our expert introduces the PCR test approach and the benefits to developers as a cost-effective route to faster ranking of the cleaning performance of toothpastes.