How can you tell if paint is oil based?

Related questions

1. Who invented digital painting?
2. Can I paint over a photo canvas?
3. How do you price artwork?
4. What is a portrait in painting?
5. How do you get pictures painted?
6. Can you paint oil over watercolor?
7. What was the first self portrait?
8. How long does a portrait painting take?
9. What is the difference between a candid and a portrait?
10. What is classed as a portrait?

Tags

1. #smoother
2. #paper
3. #feels
4. #remover
5. #paint
6. #usually
7. #polish
8. #acetone
9. #nothing
10. #quick
11. #solvent
12. #surface
13. #based
14. #latex
15. #towel
16. #touch