If you're using acrylic or latex paint, or varnish that can be cleaned up with water, then choose a brush with synthetic bristles. If you're applying oil-based varnish or paint, a natural-bristle ...

If you are using oil-based paints, you’ll need to use stronger cleaning agents, so plan on cleaning your brushes in a well-ventilated area. Step 1: Identify the type of paint used on the brush ...