Can you gesso over an old oil painting?

Related questions

1. Is oil painting hard?
2. What is the best medium to use for oil painting?
3. Do you need linseed oil for oil painting?
4. Do you need oil for oil painting?
5. Do paints expire?
6. Is oil painting toxic?
7. Is my painting oil or acrylic?
8. Do oil paintings darken over time?
9. Do oil paintings ever dry?
10. Can you paint over an oil painting?

Tags

1. #painted
2. #again
3. #should
4. #thing
5. #paint
6. #painting
7. #paintings
8. #dirty
9. #water
10. #dries
11. #lightly
12. #until
13. #acrylic
14. #artist
15. #longer
16. #gesso
17. #clean
18. #completely