NO MESS & WATERPROOF & ANTI-SMUDGE - Our 3-in-1 Waterproof Adhesive Eyeliner Pen is long-lasting, anti-smudge and waterproof. You can use it instead of eyelash glue. It is also EASY TO APPLY! Our 3-in-1 Waterproof Adhesive Eyeliner Pen is sticky with strong black paste(Just put like normal eyeliner) All you have to do is Shake Well before using and then apply the adhesive eyeliner, then wait a few seconds and apply the eyelashes! It makes it so easy to wear and apply your own eyelashes.