Can you use oil paints without medium?

Related questions

1. What is a natural emulsifier?
2. Is there an app for identifying paintings?
3. Can you paint over an oil painting?
4. What happens if water gets in your oil?
5. What is artist in art?
6. Is oil painting hard?
7. What is the mixture of oil and water called?
8. Can you gesso over an old oil painting?
9. Do oil paints go bad?
10. How can you tell if a painting is oil or canvas?

Tags

1. #paints
2. #there
3. #medium
4. #paint
5. #straight
6. #start
7. #anything
8. #acrylic
9. #adheres
10. #consistency
11. #additives