Antiperspirants, on the other hand, contain aluminum salts that help stop perspiration. That is, they have an effect on the structure or function of the body, so they fall under the FDAâs over-the-counter drug regulation and must carry an expiration date, though they donât really need one.
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Nitroglycerin, also known as nitroglycerine, trinitroglycerin, trinitroglycerine, nitro, glyceryl trinitrate, or 1,2,3-trinitroxypropane, is a heavy, colorless, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the formation of the nitric acid ester. Chemically, the substance is an organic nitrate compound rather than a nitro compound, yet the traditional name is often retained. Invented in 1847, nitroglycerin has be