This document provides guidelines for applying lip makeup to correct different lip shapes and features. It discusses how to apply makeup for thick lips, a small mouth, a thicker upper lip, a thicker lower lip, uneven lips, and aging lips. The techniques include blending foundation over the lip line, using lip liners both inside and outside the natural lip line, applying darker or brighter colors, and choosing mattes over glossy lipsticks for older lips. The overall goal is to enhance the lips and apply makeup in a way that complements each individual's natural lip shape or features.