The Master's Brush Cleaner & Preservative. Keep brushes like new with this lemon-scented cleaner and preserver. Old, hardened, oil paint brushes may be restored to their original snap and luster. Non-toxic water-soluble cleaning compound works safely on oil paints, acrylics, latex, stains, varnishes, alkyds, watercolors. Rinse brush under warm water, swirl it in the cleaner until a lather forms, then rinse. Repeat if necessary until brush is clean. No harmful fumes or odors. Made in USA. 24 oz tub.