A cosmetic pencil or crayon used to outline the lips, typically manufactured by Max Factor, defines the lip shape and prevents lipstick from bleeding. For instance, a neutral shade can enhance the natural lip line, providing a base for a complementary lipstick color.
The application of such a product creates a more defined lip appearance and can improve the longevity of lip color. Historically, these tools gained prominence alongside the broader popularization of cosmetics, offering individuals a means to refine their appearance and express personal style.