Related Clues:

• Vegetable and mineral
• Some Van Gogh works
• Stops from squeaking
• Artist's choice
• Stops a squeak
• 'Essential' things
• Traditional paintings
• Alternative to watercolors
• Many impressionist works
• Monet order?
• Aromatherapist's substances
• Works at a museum
• Palm products
• Reduces friction
• Old masters used them