On apocrine glands, antiperspirants also contain antibacterial agents such as trichlorocarbanilide, hexamethylene tetramine, and zinc ricinoleate.
2.
Dushuqiang contains tetramine, a chemical that attacks the nervous system, and was banned in 1991, officials said.
3.
The PH Helmet ( Phenate Hexamine ) replaced it in October 1915, and added hexamethylene tetramine, which greatly improved protection against phosgene and added protection against hydrocyanic acid.