In some embodiments, weight percentage of Menthol is about 5 percent. In some, it is at least 5 weight percent. In some, it is less than about 15 weight percent. In some embodiments, it is about 7.5 weight percent. In some embodiments, the weight percentage may be within a range between any of the foregoing values. In some embodiments, menthol is not present, but peppermint is. In some embodiments, increased percentage of Menthol is accompanied by the presence of vanillyl butyl ether, or an increased percentage of vanillyl butyl ether.