How we scored it
Where it comes from
Manufactured from petroleum/natural-gas-derived glycols (trimethylolpropane, neopentyl glycol, PTMEG) and an aromatic diisocyanate, condensed with dimethylolpropionic acid. No natural-origin route exists commercially.
In plain English
A synthetic polymer that forms a flexible film on hair or nails, helping other ingredients stick and creating a smooth coating. It is built entirely from petroleum-derived chemical building blocks, not from plants.
CosIng definition: Trimethylolpropane, neopentyl glycol, dimethylol propionic acid, polytetramethylene ether glycol and isocyanato methylethylbenzene copolymer
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-12. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYURETHANE-12. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYURETHANE-12