CRUELTY FREE:KISSIO is honored to provide you with this color eyeliner.It is cruelty free ,hope you like it. Waterproof Eyeliner:The unique formula creates a waterproof makeup effect. It dries quickly and has a strong staying power. It is waterproof and can last all day. Tip: Please use with caution if you are allergic to fluorescent agents. Fine brush:0.09MM sponge brush head,slim and easy to operate.Create your creative makeup as you like. Glow Under Purple light:The color of this eyeliner under normal light is very beautiful.The difference is that it can glow under Purple light.You can create a colorful, vibrant and interesting look from day to night.It is very suitable for daily wear,very Suitable for neon parties,shows and Christmas makeup. Tip: Please shake vigorously before using the eyeliner for best results