How we scored it
Where it comes from
Made by oligomerising butadiene-free C4 petrochemical hydrocarbons (isobutylene) and hydrogenating the product. This is a purely synthetic hydrocarbon with no natural-feedstock route.
In plain English
A silky emollient and solvent built from polymerised, hydrogenated petrochemical hydrocarbon fragments. It gives lotions and makeup a light, non-greasy slip.
CosIng definition: Hydrocarbons, C4, 1,3-butadiene-free, polym., pentaisobutylene fraction, hydrogenated
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Structure
2-methylnonadecane
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.
- 2Isoeicosane. PubChem CID 137081. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3ISOEICOSANE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4ISOEICOSANE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ISOEICOSANE