Works on all eye shapes and lash densities. Whether it is single eyelid or double eyelid, whether the eyelashes are sparse or thick, it can effectively add the charm of the eyes, showing natural and eye-catching eyes. Blends naturally into real lashes. It blends seamlessly with your natural lashes to create volume, volume and length, as if you were born with perfect lashes, so no one will know you're wearing fake lashes.