Impasto is thickly applied paint that leaves visible texture and brushstrokes. It can be achieved using oil or acrylic paint with or without added mediums. Some common additions to oil paint to achieve impasto include beeswax, chalk, and painting putty. Additions to acrylic paint include acrylic gel or acrylic molding paste. Impasto can also be achieved by using some oil or acrylic paints directly from the tube. Some artist that are known for using impasto in their work include: Rembrandt, Van Gogh, and Frank Auerbach.