Perfect Nude (Neutral Nude) Perfect Lip Definition: Lips have better definition with a twist up tip that never needs sharpening. A comfortable gel grip makes it easy to hold a steady line for the perfect lip shape. Primer & Liner all in one: Lipsticks and glosses wear better, with richer, longer lasting color that won't fade or feather. Better colors: Each of the 4 perfect lip liner shades has been perfectly developed to suit a wide range of lip colors in the same color family range so shades are always perfectly blended.