Extra-fine 0.4mm tip brush provides ultimate control for even and precise lines. Intense black color and waterproof formula creates stunning eye makeup that lasts up to 14 hours without smudging*. *30 users applied Super Stay Black/ Black Tip Liner each morning for a week. More than 80% of the users confirmed the color lasted a minimum of 14 hours without smudging. Usage: Place the tip liner along the eyelashes and glide along inside of the eyelid at root of the lashes to create dramatic eyes.