This next-generation, lash-loving liquid liner flexes with every blink for all-day wear without cracking or flaking. Inspired by tubing mascara technology, it wraps the lash line for a smooth, comfortable finish and removes effortlessly with warm water in easy, mess-free tubes..SmartFlex Tube Tech wraps lash line & flexes with every blink. No tugging or pulling, flex-felt angled tip bends with you for foolproof application & is infused with biotin, hyaluronic acid & ceramide blend..Vegan & cruelty-free.Waterproof.1 mL.Shake it up & flex the tip.Glide along the lash line & allow a few seconds to dry