Does not cause sensitivity to the eyelid or natural eyelashes. Medium size. Transparent lash adhesive from Duo, with its vitamin-rich formula, gives a charming look with striking eyes. An adhesive that sticks artificial eyelashes to last long with you. It is made with high quality to give you the best lash hold. Made from safe and high-quality materials that do not cause any allergic reactions to the body or natural eyelash loss. A safe lash adhesive for sensitive eyes. The adhesive gives you a very natural look. Duo is one of the best brands manufacturing cosmetics. Adhesive color: black.