On this A Tale of Two Hygienists bonus episode powered by Crest Oral-B we are joined by Paul Sagel. Paul is a top innovator at Procter & Gamble, inventor of Crest Whitestrips, Crest HD and a new innovation, Crest Whitening Emulsions. Paul joins us to talk about all things whitening. Spoiler … [Read more...] about Whitening Science: Removing The Smoke And Mirrors With Paul Sagel – Bonus Episode
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