Overall ease of use of the toothbrush including evaluation of the weight, handle comfort, ease of removing the brush-heads, etc. The Colgate 360 Advanced Whitening Soft is part of the Toothbrushes ...
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The Quest to Make the Perfect ToothbrushAt work he really obsesses. Jiménez, director of technology at Colgate-Palmolive, carries buckets of toothbrushes to meetings. He studies the angle of bristles and their corresponding scrubbiness.
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