Greetings fellow painters! My first question in this forum is to ask your help on guiding me on how to pick up where I left off on a few oil paintings I started several years ago. I never finished (completed) a few paintings that I’m anxious now to work on towards them being final projects. How do I clean the surface and then perhaps layer on a solvent or medium mix that would allow for optimal adhesion? Or should I even worry about it before I just brush off the light dust and start adding paint again? It’s not just a matter of reviving the surface to a newer look… I want to actually add paint strokes and blend. Thank you in advance for any suggestions you can offer!