The nicorette invisi patch is a discreet easytouse onceaday solution to help you deal with the cravings and withdrawal symptoms it is most suitable for you if you smoke regularly through the daythe patches are available in 3 strengths 15mg 10mg and 5mg with each box containing 7 patches initially start with the 15mg or high dose patches first then after 8 weeks gradually reduce your intake by swapping to the middle dose patch or 10mg the middle dose patch should be used for a further 2