Second, both the Tobacco Control Act and the state legislation rely on a concept known as characterizing flavor
Der Bund (in German)
Combined with the flexibility of the pleated mask material itself, this lets the mask conform to a wide range of face shapes, without creating the pressure points that nose bridges and stiffer materials can (and in my experience, do)
The nicotine content in Marlboro Silver is relatively low, with approximately 0.08 mg per cigarette, compared to the 1.2 mg in a Marlboro Red
Provision of E-Cigarettes for Smoking Cessation in Pregnancy: Perceptions and Experiences of Pregnant Women from Two UK Sites Eleanor Lutman-White, Riya Patel, Lauren Bell, Deborah Lycett, Kelly Hayward, Ruth Sampson, Janani Arulrajah, Maxine Whelan International Journal of Environmental Research and Public Health 49