lips... make is more "human"..let it speak... keep the folds, the upper lip is over the lower lip...keep in mind tht lips are basically muscles..so they have lot of folds, change the thickness of lines
in monochrome/ pencil tone
if your face requires a "sensual feel" keep the lips slightly open...
7 easy steps to bang on lips on paper
the front face lips, the 3/4th face lips and the side face lips: 3 fundamental views
