One expensive paint brush is way better than a handful of cheap paint brushes. Get a good nylon or polyester brush for painting with latex and a good natural (animal hair) bristle brush for oil ...
There was a section of the beauty blender that was still a little dirty though, but maybe it's just time to replace that one. The second method is washing the brushes with white vinegar ...
but some types of brushes can be quite costly. Ideally, clean up from the oil painting process immediately. Wipe off as much oil from the dirty brush as possible using a cleaning cloth or clean ...