Brad Wallace April 23, 2015 Suzuki: Let’s get rid of toxic microbeads Brad Wallace April 23, 2015 why am I not surprised that David Suzuki has an opinion on this subject? If you use personal-care products such as exfoliators, body scrubs and toothpastes containing microbeads, those are the costs you could be paying. The tiny bits of plastic — less than five millimetres in diameter, and usually from one-third to one millimetre — are used as scrubbing agents. Now they’re turning up everywhere, especially in oceans, lakes and along shorelines. They aren’t biodegradable.