ok so i must admit that at first i was a little concerned at the fact that i was smoking something that was in antifreeze, then i started doing some research and it looked even worse. but as i dove in and looked around i found on some sites that PG is also in regular cigarettes. up to .8 percent in mainstream cigs. so i dont know why everyone is so concerned about it all of a sudden when its been in smokes for a while now >.< well, i cant post links yet but take a look for your self because if its true, which im pretty sure it is, then this thing is already waaaaay safer then smoking regular cigs
LEZIL

heres info from 2 sites
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Reports on a European study of the effects of humectants on delivery of several smoke components. Notes that cigarettes often contain glycerol and propylene glycol as humectants. Conducts a study on cigarettes spiked with glycerol or propylene glycol. Finds that glycerol heavily contributes to the delivery of acrolein and formaldehyde in sidestream smoke. Reports slight increases in acetaldehyde deliveries on sidestream smoke with both humectants.
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Liggett, which broke with the industry by signing the first settlements ever with states and private attorneys suing it, supports the Massachusetts effort as well. "Liggett believes that its adult consumers have a right to full disclosure," Liggett head Bennett S. LeBow said in a statement. Along with blended tobacco and water, the 26-item L&M list includes high fructose corn syrup, sugar, natural and artificial licorice flavor, menthol, artificial milk chocolate and natural chocolate flavor, valerian root extract, molasses and vanilla extracts, and cedarwood oil. Less familiar additives include glycerol, propylene glycol, isovaleric acid, hexanoic acid and 3-methylpentanoic acid.
LEZIL

heres info from 2 sites
______________________________________________
Reports on a European study of the effects of humectants on delivery of several smoke components. Notes that cigarettes often contain glycerol and propylene glycol as humectants. Conducts a study on cigarettes spiked with glycerol or propylene glycol. Finds that glycerol heavily contributes to the delivery of acrolein and formaldehyde in sidestream smoke. Reports slight increases in acetaldehyde deliveries on sidestream smoke with both humectants.
_________________________________________________________
Liggett, which broke with the industry by signing the first settlements ever with states and private attorneys suing it, supports the Massachusetts effort as well. "Liggett believes that its adult consumers have a right to full disclosure," Liggett head Bennett S. LeBow said in a statement. Along with blended tobacco and water, the 26-item L&M list includes high fructose corn syrup, sugar, natural and artificial licorice flavor, menthol, artificial milk chocolate and natural chocolate flavor, valerian root extract, molasses and vanilla extracts, and cedarwood oil. Less familiar additives include glycerol, propylene glycol, isovaleric acid, hexanoic acid and 3-methylpentanoic acid.