Internationally, especially in Europe, there are niche products that go much higher
(I think Alex Wodak would describe this as the inevitable transition to a less harmful product despite the regulations.) Korea: Exclusive cigarette smoking showed large declines as use of e-cigarettes and HTPs, in various combinations, increased all while total nicotine use was stable or slightly declining (Lee et al
Their smoking habit leaves them with lower life expectancies and higher death rates than white Americans, according to a 2016 commentary from the Society for Research on Nicotine and Tobacco
And sometimes, musicians would even cancel meet-and-greets so they could just play the music
Ammonia, iodine, alcohol, or other chemicals can cause burns when they get in contact with the lips in certain circumstances
Candy cigarettes were first introduced to the US market in the early 1930s