One reviewer says it’s so powerful, “It’s like having a professional cleaning service right in the palm of my hand.” ...
The Arm & Hammer Spinbrush Pro+ Extra White Soft is part of the Toothbrushes test program at Consumer Reports. In our lab tests, Adults Electric Toothbrushes models like the Spinbrush Pro+ Extra ...
Sahlman, William A., and Ryland Matthew Willis. "Procter & Gamble 2000 (A): The SpinBrush and Innovation at P&G." Harvard Business School Case 804-099, November 2003.
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