The eyelash extensions can last up to 23 months with regular refills every 2 weeks to maintain the natural look a practice that enhances the fullness to natural lashes please note if you need more than 50 coverage it may be worth removing lashes and getting a full set as many lashes as possible are added within the time frame booked at an infill session lashes that have grown out are safely removed and replaced with new lashes and all gaps are filled a full maintenance is carried o