The basics This Anti- Microbial, Non-Toxic, powder-formed cleaner is the first of its kind. When mixed in water, Crystal Cleans’ signature effervescent action does the work for you! The benefits No more pruned hands from soaping and scrubbing, using harmful, or abrasive solvents to clean your professional tools. The uses Use on makeup brushes, hair brushes, airbrush pieces, hair-tools & their handles, combs, tweezers, razor attachments and so much more. The bottom line It is scentless and leaves you with beautifully cleaned and conditioned makeup & hair brushes.