Monster high repaint dolls

I was looking at BJG Dolls since I love them to death. (For all those who don't know what they are ; they are ball jointed dolls. Image of one of them is to the left. ) While I was drooling over the beautiful dolls I notice something I never really knew about. People buying monster high dolls and repainting them to their own wishes.
They begin by removing the paint on them... Wait what? I never knew you could make a barbie,monster hight,etc. faceless. So I watched many videos in which I found a new art I never seen before. The way they painted the faces on them ..



Here is some images of the newly refined art