Guerlain Liquid Eyeliner. This eye-opener has been designed like a calligraphy tool for precision and simplicity of use, with an ultra-fine brush, long handle and impeccable line. FORMULA: New supple and shaping polymers give the formula unparalleled fluidity, hold and shine. And the icing on the cake, the exclusive dispersion of pigments enhances the intensity and depth of the more vibrant and luminous colour. Available in 3 basic shades.