Made from naturally refined linseed oil, a derivative of flax seed, Tri-Art Linseed Soap safely cleans and conditions all of your artist brushes. Use for all types of brush hair, from sable to synthetic, and you can also use it to clean hands, floors, work surfaces and just about anything else that needs cleaning! Can be used to clean both oil and acrylic brushes. 100% natural, on-toxic and low odour properties allow for a greener studio and well-cared for artist tools.