It is classified as a controlled substance under different schedules depending on the formulation in the US
Tobacco Products Market Share In 2025, the top five companies such as Philip Morris International, British American Tobacco, Japan Tobacco International, Imperial Brands, Altria Group, collectively captured ~80% of the market share
Differences in prevalence of tobacco use also were also seen across population groups, with higher prevalence among those with a [high school equivalency degree], American Indian/Alaska Natives, uninsured adults and adults with Medicaid, and [lesbian, gay, or bisexual] adults, the investigators said
Nicotine Patch Inventor Fudges Patch Study Findings - July 12, 2009 - Why would Philip Morris fund a nicotine patch smoking cessation study (see 2004 Funding Agreement)