Every once in awhile you find good tip and use it. Well here is an idea for cleaning oil paintings. Just having moved my Mom we had a lot of old paintings with lots of dust and nicotine..... after research I found white bread made into dough balls and gently blotted on the canvas takes a lot of dust off the painting. Please really be careful. Just google cleaning oil paintings and you will get more ideas.
Well back to cold wax and oil abstracts.