Laser hair removal 12 things you need to know before having the treatment 1 the process sounds painful but isnt too bad dr daron seukeran group medical director at the skn clinic explains 2 patience pays off it takes two or three weeks after your first treatment to see a difference and . What you need to know before trying laser hair removal be patient when it comes to laser hair removal you have to be patient with the results sometimes it takes a few weeks shave the area beforehand this will help the process run as smoothly as it needs to you dont want to deal with pain . Heres a summary of the advantages of laser hair removal it provides effective uniform permanent hair removal it causes less pain than many other hair removal methods it can be used to treat all parts of the body and areas of any size its a safe hygienic method its suitable for both men and women laser hair removal how much does it cost. A laser hair removal session also requires some preparation beforehand heres what you need to know you need to shave the area before going for the session so that the laser can easily target the follicle avoid waxing or tweezing before the session as it will pull out the follicle and make the laser ineffective