Semi permanent our lash perfect eyelashes enhance your natural lashes by adhering individual synthetic eyelashes to each of your own to achieve a thicker fuller look they are light natural and comfortable and come in a range of curls lengths and thicknesses these eyelash extensions are semi permanent and so can last up to 8 12 weeks to keep your lashes looking their best we would recommend an infill every 2 3 weeks you will enjoy choice of one lash perfect semi permanent eyelashes