DecoArt Painting Multi-Purpose Cleaner 8 oz- Remove acrylic paint from brushes, stencils, and other painting tools easily with this gentle cleaner. Apply cleaner and work into a lather. For dried paint in brushes, saturate brushes and let brush sit in cleaner for a few minutes. Work paint out from the bristles and repeat until clean. Gently scrub stencils and rinse with warm water.