In order to create the illusion of fuller lips, where should liner be applied?

To create the illusion of fuller lips, applying the lip liner just past the outer edge of the lip line is the most effective technique. This approach visually enhances the width and volume of the lips, making them appear more plump and defined. By extending the liner beyond the natural lip line, it tricks the eye into perceiving a fuller lip shape without the use of fillers or other more invasive methods.

Applying the liner right on the lip line can emphasize the natural shape but does not enhance fullness and may result in a more subdued look. Lining inside the lip line would not create the fullness effect desired and could actually make the lips appear smaller. Drawing in the corners of the mouth is more about defining the shape and reducing any droopiness rather than enhancing fullness. Thus, lining just past the outer edge is the preferred technique for achieving the look of fuller lips.