How we scored it
Where it comes from
Manufactured by polyurethane-type condensation of petrochemical isophorone diisocyanate and 1,3-butanediol, then quaternized with an ethoxylated dimethylammonium methyl sulfate. No natural-feedstock route is used.
In plain English
A film-forming conditioning polymer used in hair products to add shine and manageability. It's built from synthetic isocyanate, butanediol and quaternary ammonium building blocks.
CosIng definition: 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with 1,3-butanediol and bis(2-hydroxyethyl)dimethylammonium methyl sulfate
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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.
- 2POLYQUATERNIUM-56. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYQUATERNIUM-56. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYQUATERNIUM-56