How we scored it
Where it comes from
Made by the Haber-Bosch process from nitrogen and hydrogen produced by steam reforming of natural gas. Green ammonia from electrolytic hydrogen exists but is not a commercially significant source for cosmetic grades.
In plain English
A pungent gas, usually supplied dissolved in water, used to adjust pH in hair colours and some other products. It is made industrially from nitrogen in air and hydrogen from natural gas.
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Structure
azane
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2Ammonia. PubChem CID 222. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3AMMONIA. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4AMMONIA. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=AMMONIA