Oil paint brushes can be a mess. They get dirty, and the paint starts to build up on the bristles. It’s not fun to clean them, and it’s not fun to have to clean them every time you use them. There are a few ways to clean oil paint brushes. The first way is to use a brush cleaner. This is a liquid that is used to clean brushes. It is available in most art stores, or you can order it online. The second way is to use a water-based cleaner. This cleaner is available in most art stores, or you can order it online. The third way is to use a soap solution. This soap solution is available in most art stores, or you can order it online. The fourth way is to use an alcohol-based cleaner. This cleaner is available in most art stores, or you can order it online. The fifth way is to use a vacuum cleaner with the hose attachment. This attachment will suck the dirt and dust off of the brush bristles.