Real Milk Paint, Orange Peel Oil, Natural Alternative to Odorless Mineral Spirits, Paint Thinner, Degreaser, Brush Cleaner, 32 oz. - Multipurpose Cleaners - Amazon.com
Klean-Strip Green 1 gal. Paint Thinner - Eco Friendly GKGP75CA - The Home Depot
Best Solvents for Oil Paint for Thinning and Brush Cleaning – ARTnews.com