The unwound skin is not without reminding some classic art representations. But besides its aesthetics, it constitutes, as any digital image, a possible space of transformations. For example painting a make-up on the skin will be echoed on the final modelling.
Same thing for a tatto or any drawing or change of color on the skin.In the film " animation of databases laser, we added eyes and mouths on the skin, illustrating this relative autonomy of the skin.