How to Draw Mouths on Your Fashion Figures
Make some modifications for a simple yet fashionable mouth.
Use only a few lines for the lips. Figure a shows a slightly pointed top lip, a curved line for the opening between the lips, and a deep curve for the lower lip. Below the drawing is a sketch of circles you can use to help you create the shapes of the lips.
For more of a pout, the top line can have a gentler curve, and the center line can be a short dash; the bottom lip is only a slight, pointy curve.
You can draw just a simple little dot or line to show that lips are supposed to be there. This mouth is great for a very simple style of face.