COSNORI Eyelash Tinting Serum Trial size bonus included ❤︎ This item has a 3-in-1 function: eyelash serum, mascara base, and natural makeup mascara. Black color is added to the eyelash serum ingredients, allowing you to care for your lashes while creating the appearance of vivid, mascara-coated lashes. It contains serum ingredients including peptides, 4 types of black food, and plant-based collagen. It's a film type that can be easily removed with warm water. It can also be used by those who have permed or extended eyelashes.