The formula has a waterproof & smudge-proof finish that lasts hours. It includes antioxidants and Vitamin A. The soft and blendable texture melts on contact with the lips and sets for a long-lasting effect and defined look. With an intense color payoff and fine lining capability, this pencil guarantees an accurate finish, helping you define your lips while preventing any unwanted lipstick bleeding. Our color range is thoughtfully matched to complement BEL London lipsticks, making it easier than ever to create your perfect lip combination. Rest assured, our product is dermatologically tested to meet the highest standards of quality and safety.