How we scored it
Where it comes from
Manufactured by reacting propylene oxide with ammonia to add three hydroxypropyl groups. Structurally the propylene-oxide analog of triethanolamine, which this site's method treats as petrochemical.
In plain English
A synthetic pH-buffering ingredient made entirely from petroleum-derived propylene oxide and ammonia. Helps keep a formula's acidity in the right range.
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Structure
1-[bis(2-hydroxypropyl)amino]propan-2-ol
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.
- 2Triisopropanolamine. PubChem CID 24730. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3TRIISOPROPANOLAMINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4TRIISOPROPANOLAMINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TRIISOPROPANOLAMINE