Yumi™ lashes eyelash lift is a treatment designed to lift and enhance natural eyelashes, to make them fuller, longer, darker, curled up. the procedure is kind of similar to eyelash perming, however, it's not just curling eyelashes, but strengthen them with keratin, helping them to look healthier. there is no length or thickness restriction. the treatment is absolutely safe to eyes and hypoallergenic. it only takes an hour and results last between 6 and 10 weeks, depending on individual eyelash life cycle. no touch-up or maintenance needed.