HNB products aim for a position between combustible tobacco smoking & electronic cigarettes those vaporize nicotine suspended in humectants
In Europe and the USA, there is a preference for the American blends which are made up of mild, light Virginia tobacco, aromatic burley and robust, dark Asian tobacco

A ban will also lead to unconstitutional policing and other negative interactions with local law enforcement." The ACLU letter noted that "a menthol cigarette ban would disproportionately impact communities of color, result in criminalization of the market, and exacerbate mass incarceration." The ban "also risks creating large underground, illegal markets." That "would be a massive law enforcement problem for states, counties, and cities, since all states treat unlicensed sale of tobacco products as a crimeusually as a felony punishable by imprisonment." The FDA glides over that point, instead emphasizing that the agency "cannot and will not enforce against individual consumers for possession or use of menthol cigarettes." But many of those individual consumers will look for ways to continue smoking the kind of cigarettes they like, and that demand will be filled by other individuals, who in turn will be subject to criminal penalties

In the example of Camel Crush Bold, the company was unable to show how the addition of a menthol capsule did not change consumer perception and use of the product
Sensodyne Rapid Relief helps block the sensitivity that causes tooth pain ASAP, in under 60 seconds, and claims to reduce sensitivity significantly within three days (if you brush twice a day)