Nicorette invisi 10mg patch step 3 is suitable for regular smokers who smoke often throughout the day as well as being the strongest patch available the semi transparent nicorette invisipatch helps you to quit by delivering a continuous controlled dose of nicotine into your body this helps to relieve unpleasant cravings and withdrawal symptoms that you may experience from quitting smokingthe nicotine is released through your skin over 16 hours it is absorbed quite slowly compared to smokin