Blinc Lash Extension Tubing Mascara Dark Brown Lengthening Biotin 9mLBlinc's Lash Extension Tubing Mascara is clean, vegan, long wearing, and adds length with a semi matte finish. Tubing tech forms water resistant tubes, resists smudging, and removes easily with warm water, no harsh removers needed. For an extremely dramatic look, apply any blinc lash primer first. Lash Extension holds a lash curl longer and is great for lash extensions since it won't interfere with glues.