- The Judy Doll 3D Curling Eyelashes Iron Mascara features steel tube technology that helps define each lash clearly and provides long-lasting results without smudging. It is designed specifically for shorter, finer, and more delicate lashes, making them appear more vibrant. - With its newly upgraded technology, this mascara is longer-lasting and more waterproof. It features a 0.5 mm precision threading that closely mimics the natural width of lashes, ensuring that each lash is precisely embedded. Additionally, it has 0.03 mm multi-faceted lengthening fibers that prevent clumping and give a uniform appearance without the fear of lash bifurcation. - The mascara is also waterproof, smudge-proof, and has anti-smudging technology, making it difficult to smudge even with blending. Its quick-drying and setting formula ensures that your lashes stay in place throughout the day.