Gets rid of dirt from scalp and pores that cannot be removed with the fingers. The simple shape of silicone polymer is easy to handle and keep clean. It was made with special attention to the way it impinges on the scalp and the ease with which it can be gripped. By washing with a suitably soft brush, the scalp can be gently massaged and the circulation stimulated. It keeps the scalp non-greasy and reduces troubling smells.