How we scored it
Where it comes from
Built from a petrochemical diisocyanate reacted with polybutanediol and caprolactone-based polyester, cured with a cycloaliphatic diamine. No natural-origin route exists.
In plain English
A film-forming synthetic polymer used to bind and coat ingredients in products such as mascara or nail polish. It is built entirely from petrochemical building blocks.
CosIng definition: 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with polybutanediol (12 mol average) and oxepan-2-one/2,2-dimethyl-1,3-propanediol copolymer, reaction products with 5-amino-1-(aminomethyl)-1,3,3-trimethylcyclohexane, reaction product
Natural alternatives with the same function
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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-20. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYURETHANE-20. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYURETHANE-20