Natural Impasto Medium – Non-Toxic Oil Paint Texture Medium

Thicken, extend, and add dramatic texture to your oil paintings — naturally. Our Natural Impasto Medium is made from artist-grade powdered limestone and is completely free of toxins and synthetic preservatives. Used by the masters, perfected for the modern eco-conscious artist.

Key Features

• 453g (1 lb) of artist-grade powdered limestone
• Mix with Refined Walnut Oil to create your impasto medium
• Produces thick, rich applications of colour with expressive brush and knife strokes
• Dries quickly and transparently — adds texture without muddying colour
• Creates clear, raised strokes that appear to come off the canvas
• Gives excellent control over light and shadow in your painting
• Easily thinned with Eco Solve or Walnut Oil
• Non-toxic — safe for expectant mothers and health-conscious artists
• Eco-friendly — does not pollute soil or waterways during brush cleanup

How to Use

Mix the limestone powder with Refined Walnut Oil to your desired consistency. Add to your oil paint to build thick, textured applications. Thin with Eco Solve or additional Walnut Oil as needed. Watch the video tutorial: How to Mix Your Own Impasto Medium.

The Impasto Tradition

Impasto is one of the most expressive techniques in oil painting — used by masters including Rembrandt van Rijn, Diego Velázquez, Vincent van Gogh, Jackson Pollock, and Willem de Kooning. Now you can achieve the same bold, textured results with a medium that’s safe for you and the environment.