Database/Film Forming/Polyurethane-36
100% petroleum · ISO 16128

Is Polyurethane-36 natural?

No. Every monomer (polypropylene glycol, isocyanate, synthetic diol-acid, amine, hydrazine) is petrochemical; nothing natural is present.

INCI namePolyurethane-36
FunctionFilm Forming
FeedstockBuilt entirely from petrochemical intermediates: polypropylene glycol, isophorone…

How we scored it

PPG-17, IPDI, dimethylol propionic acid, triethylamine neutralizer and hydrazine extender are all synthetic; no natural fragment.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Built entirely from petrochemical intermediates: polypropylene glycol, isophorone diisocyanate, dimethylol propionic acid, and a hydrazine chain extender. No natural-origin route exists.

In plain English

A film-forming polymer made entirely from synthetic, petroleum-derived building blocks. It forms a flexible coating used in styling products.

CosIng definition: Polyurethane-36 is a copolymer of PPG-17, isophorone diisocyanate (IPDI), and dimethylol propionic acid, neutralized in the presence of water with triethylamine. Further chain extension is achieved by reacting the polymer with hydrazine.

Natural alternatives with the same function

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 Amorphophallus Konjac Root Extract 100% natural origin

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References

  1. 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.
  2. 2POLYURETHANE-36. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3POLYURETHANE-36. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYURETHANE-36