Thank you yoadknux. Is the first comment I receive. The dusty aspect is due to two factors first is my inexperience with the finish aspect of some colours and second about the priming spray. I got that awful surface texture instead a clean and smooth one. I decided to go ahead and see what happened and in some surfaces it helped but other ones it's really annoying as you point.
I don't get the low score. The paint is all in the right places, the face looks great, the colors blend really well together. The colors look very delicate and I love it. It looks insanely good. The only thing I don't like about it is that it looks "dusty".