This perfect lip-defining formula glides on smoothly for precise, natural definition. * Built-in lip brush Directions: Start with a sharpened pencil. Prior to Lip Color application, line your lips using the side of your lip liner to enhance and shape your lip line. Using the lip brush, blend the liner into the lip. Trish Tip: If you are using a darker lip color, remember the application must be perfect as dark colors are not forgiving. After the application of your lip color, apply lip liner to redefine the outline of your lip.