Purpose: For The Artist To Make His Own Paint And Painting Medium. Composition: Linseed Oil • Increases The Gloss And The Drying Time Of The Paint Film • Increases The Risk Of The Paint Film Wrinkling • Shows Less Yellowing In Dark Conditions Than Purified Linseed Oil; The Yellowing Largely Disappears In Daylight • Can Be Thinned With White Spirit Or Turpentine