What it is: A mistake-proof pen that gives all the drama of a liquid eyeliner without the drama of putting it on. What it does: The mistake-proof liquid eyeliner pen creates a clean line in one steady sweep. Tapered, ultrafine precision brush paints on pure, deep color from thin to thick. How to use: For a thin line, use the liquid eyeliner pen's narrow tip. For thicker line, lay the liquid eyeliner pen flat.- 0.003 oz.- Fragrance-free- Ophthlamologist tested- Allergy tested- Safe for sensitive eyes and contact-lens wearers