Brunette Girl Posing Oiled In High Heals

Color pigments can be easily suspended in oil, making it suitable as a supporting medium for paints. The slow drying process and miscibility of oil facilitates a realistic style. This method has been used since the 13th century.
• Petrochemicals
Crude oil can be processed into petroleum; "petrochemicals" are chemical products made from raw materials of petroleum or other hydrocarbon origin. They are used in products such as detergents, fertilizers, medicines, paints, plastics, synthetic fibres, and synthetic rubber.