nicogel claims that the product has 1/10 the nicotine of a cigarette. however, independent testing shows much less than 100 mcg per 1 ml. with so little nicotine, whether the product actually works is unclear. american cancer society's director, thomas j. glynn, ph.d., warns that "no independent research has been conducted to validate whether it's effective and safe," and that there is "no indication of [the] toxicity or level of nicotine it delivers."