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Colgate-Palmolive on Twitter: "Meet hum, a new smart toothbrush from Colgate with coaching features that help you brush better and build healthier habits. Now available in the U.S. Ready to #GetHumming? Hit
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Amazon.com: hum by Colgate Smart Electric Toothbrush Kit, Rechargeable Sonic Toothbrush with Travel Case, Blue : Everything Else
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Amazon.com: hum by Colgate Smart Electric Toothbrush Kit, Rechargeable Sonic Toothbrush with Travel Case & Bonus Refill Head, Blue : Health & Household
Colgate Hum Smart Battery Power Toothbrush with Sonic Vibrations and Travel Case - Blue | BuyDig.com
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