Start by opening
a image of a face close up.
Select burn tool with the settings shown
at the top bar. Apply this tool over the eye areas.

Apply same tool on different areas to create dark
skin areas.

Similarly
apply on the other side of the face.

From Filter menu select "liquify". Select
pucker tool and apply it on lips area.
Now select forward warp tool and apply
it on eyes areas.
Select burn tool again and apply it over
the upper lip and below the bottom lip.
|