How we scored it
Where it comes from
Made by polymerising isobutylene derived from petroleum or natural-gas cracking. No renewable manufacturing route exists.
In plain English
A thick, film-forming polymer that binds products together and adds gloss. It is made entirely from petroleum-derived building blocks.
Natural alternatives with the same function
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Aluminum Zinc Oxide 100% natural originA white mineral powder made from zinc and aluminium oxides. It adds opacity, bulk and absorbency to powders…
Amylopectin 100% natural originA binding and thickening ingredient that is the highly branched component of plant starch, typically sourced from corn,…
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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.
- 2POLYISOBUTENE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYISOBUTENE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYISOBUTENE