The basics The world's finest total care product for brushes that cleans and conditions in one step. The benefits It contains no harsh thinners, is non-flammable and is extremely safe. The uses Using only water, it's specially formulated to remove oils, acrylics, watercolors, stains and varnishes and helps prevent paint buildup. The bottom line It works beautifully on the finest sable and bristle brushes and makes cleaning up nylon and synthetic brushes a snap!