It's not really clear.
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The ceramic materials of the Washzilla is excellent at agitating the clothes in your laundry machine, Unique, textured surface of the ceramic ball and the alkaline minerals inside means your clothes come out super soft.
Looks like the ceramic ball does the agitating and the alkaline minerals "Inside" the ball do the dispersion thingy.
Most conventional and commercial soaps contain alkalines and oxidants.