Brush Soap This brush soap effectively removes oils, acrylics, watercolors, stains and varnishes, whilst preventing the accumulation of paint on the splint. Restores, conditions and preserves the bristles of the brushes. Wet the brush with this cleaner and gently lather against a towel or paper, and rinse. Allergen-free. Compatible with cosmetic brushes. This set includes a 17 ml pot.