Guerlain Liquid Eyeliner Details From the thinnest to the heaviest contour, Guerlain Liquid Eyeliner provides flawless application. Guerlain liquid eyeliner has been designed like a calligraphy tool for precision and simplicity of use, with an ultra-fine brush, long handle, and impeccable line.Designer About Guerlain: For the past 170 years, Guerlain has created some of the world's most famous fragrances and show-stopping beauty products. From legendary scents to alluring lipsticks, the entir...