wow do not buy this [SEP] edit may even the ones with oddly shaped handles there is only one brush that it does not do well with which is a large thick facial fan brush the brush shampoo i used was ecotools shampoo you just need a drop in the water bowl if you add more you will have the bowl overflowing in foam it also did all my brushes a lot without running out of power on me and it charges quickly via the usb port yeah no more going through all those batteries