Database/Emulsifying Surfactant/PEG-6 Hydrogenated Castor Oil
Mostly natural · ISO 16128

Is PEG-6 Hydrogenated Castor Oil natural?

Mostly. Hydrogenated castor-oil triglyceride ethoxylated with a small amount of petrochemical ethylene oxide.

INCI namePEG-6 Hydrogenated Castor Oil
CAS61788-85-0
FunctionEmulsifying Surfactant · Cleansing Surfactant
FeedstockMade by hydrogenating castor oil, then reacting it…

How we scored it

Hydrogenated castor oil 939Da (natural) + 6×ethylene oxide 264Da (petrochemical) = 939/1203 → 0.78
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

Made by hydrogenating castor oil, then reacting it with 6 moles of petrochemical ethylene oxide. No alternative commercial route is used.

In plain English

An emulsifier made from hydrogenated castor oil with a small amount of ethylene oxide added. It is used to blend oil and water phases in skincare formulas.

CosIng definition: Castor oil (Ricinus communis), hydrogenated, ethoxylated (6 mol EO average molar ratio)

Natural alternatives with the same function

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. 2PEG-6 HYDROGENATED CASTOR OIL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3PEG-6 HYDROGENATED CASTOR OIL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PEG-6%20HYDROGENATED%20CASTOR%20OIL