A non-toxic more ecological alternative to conventional solvent-based oil thinners.Green For Oil is part of the "bio-solvent" family, a safer, greener alternative to traditional solvents. Traditional organic solvents are highly effective, but concerns have been raised regarding their volatility and petroleum-based origins. This is why Sennelier has developed eco-friendly solvents with their new GREEN FOR OIL range.Biosolvents are sourced from renewable raw materials, with a focus on biomass-based sources. They are products of natural origin; derived from plant, animal or mineral-based raw materials. They respect sanitary and environmental standards, as they have been created with sustainable development in mind.  Use Green for Oil thinner as you would use a classic thinner. Mix the product with your paint to make it more fluid and more suitable for the first drafts of your painting.250ml.