NiQuitin Clear 21mg Patch Nicotine Stop Smoking Aid Step 1, 7 Clear Patches 24 hours to help reduce you cravings and keep you smoke free. The NiQuitin CQ Clear 21mg Patch Step 1 is part of the NiQuitin programme to help smokers quit. The 21mg is used as the first step for heavy smokers smoke 10 or more per day. The patches act by replacing & the nicotine from your cigarettes when you quit and help manage your cravings. The 3 step process allows you to gradually reduce the nicotine dosage over a period of 8-10 weeks.