HOW TO USE: Draw along the upper lash line from the midpoint of the lash line to outer corner with the liner pen. From the inner corner to outer corner, slightly more pressure will create a thicker line. CAMELLIA EXTRACT REDUCING SKIN STIMULUS: Our safe and calming formula causes less irritation on skin and helps with strengthening skin barrier and protecting sensitive skin around eyes. The pigment can be perfectly cleansed without any color tining. BLACK INK NEVER EVAPORATES: Our special ink container never evaporates through specialized in double air sealing cap technology, the container minimizes contacts of brush and air to keep best quality of brush without any leakage. Check for a click sound when you close for full closure. LONG-LASTING AND WATERPROOF: Our smudge-proof formula stays on in contact with water, sweat and oil. Adhesive emulsion film polymer maintains clear eye makeup, for lasting all day long eye makeup. Liquid texture with quick dry helps for easy fix and high performance pigment. FAST AND QUICK, NEVER FAIL EYE LINER: Our high-tension brush helps you to draw eye line easily and quickly without failure. Sharp, pointed tip also steady and flexible for delicate eye lines without any tinting, cracks or slip. Our non-filter ink tank structure helps with steady, continuous lines without any breakage.