denatured alcohol 200-1 gallon (128 oz.) quality chemical recommended thinner and cleaner for shellac. also use as a clean burning fuel for use specifically in alcohol burning appliances. denatured alcohol is made with a higher level of natural and renewable resources. it is better for the environment because it is biodegradable. it contains no ozone depleting chemicals. green solvents are effective high quality products but have a reduced impact on the world in which we live. reduce your carbon footprint. not for use on the skin.