Waterproof Mascara: With Waterproof function, this Mascara black formula keeps your eyelashes stay gorgeously long, thick and voluminous all day through rain, tears, and sweat. 4D Silk Fiber Eyelash Mascara: Made of pure silk fiber and pure plant material, our mascara is non-toxic, safe green and with the components of growth factor and Vitamin E, which could also provide nutrition for your eyelash. Natural & Hypoallergenic Black Mascara: Our hypoallergenic 4D silk fiber lash mascara contains gentle ingredients that are safe and friendly for sensitive eyes and contact lens wearers. Easy to Remove: Put your favorite make-up remover to the cotton pad and the press it gently to your eyelash about 2 minutes, then wash and clean your eyelash with warm water, easy to remove the mascara. Extra Volume & Length Waterproof Mascara: About 500% increase in average length and volume with your first coat-and you don't have to stop there. Whether you're feeling subtle or sassy, defiant or classy, the 4D Silk Fiber Lash Mascara will help you go wherever your mood takes you.