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Chemical additives typically include flavourings, preservatives, and humectants like glycerol to maintain moisture

Collins, PhD Professor in the Department of Psychology at Washington State University Affiliate Professor in the Department of Psychiatry and Behavioral Sciences at the University of Washington Codirector of the Harm Reduction Research and Treatment (HaRRT) Center

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By placing this tool in your ashtray, you give yourself a safe, easy, clean way to extinquish cigarettes quickly and hassle free