If you want a proper painting it has to be an oil painting. Honestly that’s true. An oil painting is the king, the queen, the emperor, the empress of 2 dimensional art work, and a joy to own and display in your home. (not that I’m in any way biased you understand)
And another plus is that an oil painting is very easy to look after , and requires no maintenance or special conditions.
However there are one or two things to take into consideration, and here they are.
Careless Handling!!!! Quite honestly this is the enemy of any artwork. A stretched canvas is particularly prone to damage, especially if leant against furniture with nobs and corners. I know this to my cost. When transporting paintings protect the surface of the work with a rigid piece of board and if you must lay it flat don’t put anything on top.
Temperature and Humidity: There’s a lot of research gone into the optimum conditions to preserve an oil painting , but the most important thing to remember is that an oil painting doesn’t like extremes. Average conditions that don’t change a lot are ideal. Avoid steamy kitchens and bathrooms, fierce heat sources and keep out of the shed in the garden.
Light: All artwork should be kept out of direct sunlight. Although paintings in oil are amongst the most lightfast, strong sunlight will fade the colours eventually and damage the paint surface.
Dirt and Varnishing; When a painting is varnished it creates a barrier between the paint and any dirt in the environment thus protecting it. Not all paintings are varnished, especially if just finished, as a period of 6 months has to elapse between completion and varnishing to allow the paint to cure. Most artists will varnish their painting for you if you bring the painting back.
Varnished or not stray dust and specks of dirt need to be removed periodically. The best way to do this is with a soft paintbrush. Avoid using a duster as it may catch on any textured paint and never use cleaning products.
Smoking: Just don’t. Not anywhere near an oil painting unless you want a fine film of tar over the surface. Then you’ll have to take it to a professional to clean.
You may want to Read this, a more in depth article that goes into fine detail about this subject.