I have sensitive skin so I do not use my Clarisonic on the days that I use this mask. But I am super sensitive so that may not bother other people; I just don't take a chance on it myself.
I would not use my Clarisonic with this product. This mask is already gritty, and I think you would end up with irritated skin. This mask is amazing on its own, and you will get great results by using it and the Nude moisturizer.