How we scored it
Where it comes from
Made by reacting polypropylene glycol (from petrochemical propylene oxide) with SMDI, a saturated diisocyanate manufactured from petrochemical precursors. No natural-origin route exists for either building block.
In plain English
A film-forming polymer used in hair and skin products, built entirely from lab-made petrochemical building blocks. Helps form a flexible, conditioning film on hair or skin.
CosIng definition: Poly(oxy-1,2-propanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane] (12 mol PO avergae molar ratio)
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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.
- 2PPG-12/SMDI COPOLYMER. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PPG-12/SMDI COPOLYMER. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PPG-12/SMDI%20COPOLYMER