Na verdade, os cineastas afirmam que os cigarros usados pelos menores são cigarros sem tabaco ou cigarros sem nicotina . Eles são comumente chamados de cigarro de ervas.
De acordo com wikipedia ,
Herbal cigarettes are also used in acting scenes by performers who are non-smokers, or -- as is becoming increasingly common -- where anti-smoking legislation prohibits the use of tobacco in public spaces.Herbal cigarettes are not viewed as physically addictive, as they do not contain addictive substances.