If your goal is to avoid all suspicion of harmful chemicals, than using traditional deodorant or antiperspirant will make that very difficult. The easiest way to keep your body safe and healthy is to avoid entirely all chemical laden deodorants and antiperspirants, and begin using natural deodorants.
Medical Definition of nitro. : containing or being the monovalent group NO2 united through nitrogen.
The structure of the nitro group. Nitro compounds are organic compounds that contain one or more nitro functional groups (â N O 2). They are often highly explosive, especially when the compound contains more than one nitro group and is impure.