Force Load FontNicoretteInvisipatch 15mg per 16hrNicorette 15mg Invisi Patches are a nicotine replacement therapy, designed to release 15mg of nicotine over a 16-hour period. Nicorette Invisi Patches come in a three-step programme that is designed to supply your body with the correct amount of nicotine depending on how many cigarettes you are currently smoking. The strength of the patches decreases, as you move through the three steps and reduce your nicotine requirements on your way to quitting smokingActive Ingredient