When you are starting at the beginning you need to know things like what strokes to make with different brushes, various ways to mix colors, paper types, etc.. (arttutor.com)
There are truly so many different brushes for each part of your face, and it can be confusing figuring out which is best for what area. (makeoverly.com)
I do like that it came with a lot of different brushes because no one has the same face. (fcnextdoor.com)