Dr. Witt received his doctorate in biochemistry from the University of Iowa and has worked for Procter & Gamble since 1978. He has worked on the development and commercialization of Peridex, a prescription mouthwash containing chlorhexidine, and various upstream technology initiatives which required biochemical, microbiological, and clinical design expertise. Since 2002, he has served as the clinical scientist assisting in the development and testing of Crest Pro-Health Rinse.
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