How we scored it
Where it comes from
Polyurethane-8 is a copolymer of petrochemical polyether glycol with an anhydride and isophorone-based isocyanate and diamine. All monomers come from conventional petrochemical polyurethane synthesis.
In plain English
A film-forming and binding polymer for hair and skin products, built from synthetic polyether glycol, an anhydride, and isophorone-based isocyanate and diamine — entirely petrochemical building blocks.
CosIng definition: Polyurethane-8 is a copolymer of polyethylene-poly(tetramethylene)glycol, propanoic anhydride, isophorone diisocyanate, and isophorone diamine
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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.
- 2POLYURETHANE-8. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYURETHANE-8. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYURETHANE-8