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 ...

At 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.