What it is: A 24-hour wear waterproof eyeliner with highly pigmented colors available in two finishes: matte and metallic.What it does: Diorshow Stylo is the 24h-wear waterproof eyeliner by Dior. It dresses the eyes in intense colors with a creamy texture and comfortable glide. Use to create a makeup look that inspires you, from crisp, defined lines to the signature Dior smoky eye. How to use: Define teh eyes by applying the eyeliner along the lash line, from the inner corner to the outer corner of the eye. Intensify the look by smudging the line to create a smoky eye effect.