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.
A chilled coffee drink that is sweet and creamy, but without ice, sugar and cream in it. It's just plain cold brew coffee and the nitrogen element. Bustle says the Nitro Cold Brew, mind you, also offers higher content of caffeine for every cup compared to a regular cold brew.