Multi-use eyeliner pen: This fluorescence liquid eye liner pen can be used on eyes, face, cheeks and body. An ultra-fine flexible brush tip glides on smoothly with continuous and even flow, giving you total control for precise define lines. | Glow under UV black light: Long-lasting UV-reactive liquid liner has minimal fall out that won’t fade, flake and bleed. Smear-proof and sweat proof. Color pops brightly in ultraviolet light yet undetectable in daylight. | Easy to use: Shake gently before use, easy to define the thickness lines and it dries fast. Easily remove with oil-based eye make up facial cleanser. Please close the Cap after use. | Ideal for many occasions: This face painting pen perfect for Halloween, Christmas, cosmetic show, prom night, dance party, rave, cosplay, stage, theater, school event, birthday parties etc. | Best service: If you received the defective item, or you not satisfied with our product. please feel free to contact and we will do our best to solve it for you.