Shaving is the best method between treatment sessions and is recommended 2-3 days prior to treatment as for best results and IPL to be effective, the hair needs to be present in the hair follicle before treatment commences.One Glide treatments need to be applied once a week, for a full period of 12 weeks and afterwards you only touch up if needed.How to use One Glide IPL:·     Use an alcohol wipe to clean the glass window.·     Plug in your One Glide handset and switch on from the wall plug.·     Here you will notice that the green light is flashing, Now click the green flashing light ONCE (do NOT keep holding the button), to turn the One Glide handset on.·     Click the green light again (up to 5 times), to select a level of intensity desired. (5 levels of intensity)·     Once the desired level is chosen, put the flash window of the device on the area you wish to treat (Make sure the window is fully covered by your skin, if it is not, it will not flash – as it has a built-in skin sensor)·     The front red-light indicator needs to be flickering, otherwise the handset will not work, if you find that the red indicator is not flickering, bring closer to your skin.·     Hold the big button until you see a flash, then continue moving the device to new areas after each flash, until you have finished your treatment.·     Once you have finished using the One Glide handset, hold the green button down to turn it off and unplug the handset from the wall and store in a dry safe place.