Ok sponge

I got my boscia konjac cleansing sponge a few months ago, the black charcoal infused one. Initially for cleaning the sponge is quite gentle and effectively exfoliates the skin, but after a while I've started to fear that there is a buildup of bacteria in the sponge and have decided that I don't think it's the most sanitary thing to put on my face.

There are many more effective exfoliants; the clarisonic I find can be just as gentle, as well as other handheld brushes similar to the clarisonic for a fraction of the price