You will enjoyrr choice of one individual eyelash extension treatment from the selectionr infills 35 minutesr full set 120 minutesr r the extensions are attached to your mid cycle eyelashes meaning that the extensions will stay in for longer the extensions will fall out with your natural lashes but don39t panic they can be kept looking long and lovely with regular infill treatments semi permanent eyelash extensions can last up to 4 weeks needing very little maintenance waterpro