Our Oil is Filtered but not Refined. Refined walnut oil is not a drying oil. Totally Food Safe. Follow directions for outstanding results. Chalk Mountain Brushes & Waxes - Butcher Block Oil Conditioner & Restorer - Great for Any Wooden Surface. Restore and enhance your butcher block table or counter top naturally. Using the natural oil from walnut. This combination of walnut oil and beeswax will...first penetrate deep to preserve and then will protect with a thin layer of wax just below the surface to give a new sheen to the wood surface. This is how wood should be treated....naturally. One easy application penetrates wood forever, no scraping, flaking or reapplications needed Works on indoor or outdoor projects - fences, decks, siding, furniture, marine applications, etc. protects against moss, mold, wet rot, dry rot and fungus zero environmental impact/ footprint -leaves no harmful residues in soil or water -zero VOCs/ VOC-free -non-toxic -safe for use around kids and pets -safe for garden applications, including vegetable garden beds and planters with soil contact -no fumes no special surface preparation needed on bare, clean wood, wood previously treated with a sealer should be sanded to allow product to penetrate. Chalk painting or milk painting a piece of indoor or outdoor furniture? Seal it with Chalk Mountain Hemp Seed Oil. (THC removed). Goes on so easy and fast. No dealing with smelly poly vinyls with their smells and hazards. This oil is all natural (green) and by far the easiest, quickest and safest way to seal painted or bare wood project. It is the only "all natural" sealer.