Add Filter>Blur>Surface Blur to smooth skin texture.
step 3 of 6
Apply Filter>Noise>Median
step 4 of 6
Duplicate the layer and apply Filter>Artistic>Cutout, changing the Blending Mode to Soft Light
step 5 of 6
Duplicate the Smart Blur layer, and apply Filter>Pixelate>Color Halftone, changing the Blending Mode to Soft Light.
step 6 of 6
Duplicate the layer, apply Filter>Artistic>Poster Edges. Erase unwanted artifact spots, and fill in some outlines with the paintbrush. Adjust colors slightly.