The Master Brush Cleaner 1.0 oz 100-BJ Cleaner-removes oils, acrylics, watercolors, stains, varnishes. Preserver – Helps keep your brushes in top shape and stay new. Restorer – Will recondition old stiff brushes like new no matter how hard. No harsh thinners, non-flamable and environmentally safe. Helps prevent paint build up in ferrule. Lasts much long than liquid soap cleaners. This item is heavy for international shipping!