Nicotine Replacement Patch 21mg is the highest-strength transdermal patch for smoking cessation support. Delivers a continuous, controlled dose of nicotine through the skin to reduce withdrawal cravings. Applied once daily to clean, dry skin for up to 24 hours of steady nicotine support. Ideal for heavy smokers in the initial phase of quitting. A leading nicotine replacement tool for those committed to achieving a smoke-free life.