Nicorette 16hr invisipatch 15mg, is a quit smoking aid. The patches work by relieving nicotine cravings and withdrawal symptoms. It releases nicotine over a 16 hour period. - The Nicotine is absorbed through your skin and enters your bloodstream. It is recommended this step 2 nicotine patch containing 15mg of nicotine is used as a quit smoking patch for those who smoke 15 or less cigarettes a day or, use after completion of step 1. The nicotine patch is semi-transparent and blends with most skin tones. - Available in:Step 1 – 25mg/16-hour nicotine patch - Step 2 – 15mg/16-hour nicotine patch - Step 3 – 10mg/16-hour nicotine patch - Nicorette Combination therapy: If you have relapsed with single nicotine replacement therapy (NRT) or if you have cravings during use with just NRT patches, you can use Nicorette 2mg Gum, in addition to Nicorette 16hr Invisipatch patch for better craving relief. This may increase your likelihood of quitting smoking.