Brush cleaners are compound used to clean brushes. Brush cleaners help in extending the life of brushes by removing any oil, paint, or acrylic deposits on the brush. Now there are wide varieties of brush cleaners available in the market that helps in cleaning and conditioning brushes.The term is also used to refer to the mug, cup, or vessel that is used for brush cleaning. Such holders are also known as brush washers. These vessels contain liquid solvents, the bristles of the brush remain dipped in these solvents.