Database/Emollient/PPG-20 Methyl Glucose Ether Distearate
Mostly petroleum · ISO 16128

Is PPG-20 Methyl Glucose Ether Distearate natural?

Mostly not. Glucose core and stearic acid esters are plant/oleochemical-derived; the PPG-20 propoxylate chain is petrochemical propylene oxide.

INCI namePPG-20 Methyl Glucose Ether Distearate
CAS93821-74-0
FunctionEmollient · Skin Conditioning
FeedstockMade by propoxylating methyl glucoside (from corn glucose)…

How we scored it

Methyl glucoside core 194Da + 2 stearate esters (2x267=534Da) natural = 728Da; PPG-20 chain 20x58=1160Da petrochemical (propylene oxide) -> 728/1888 = 0.39
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 propoxylating methyl glucoside (from corn glucose) then esterifying with stearic acid (vegetable/tallow-derived). The synthetic polypropylene glycol chain, built from petrochemical propylene oxide, makes up most of the mass.

In plain English

An emollient that softens skin, made by combining plant sugar (glucose) and stearic acid (a fatty acid from vegetable oil or tallow) with a synthetic propylene oxide chain.

CosIng definition: Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-[(1-oxooctadecyl)oxy]-, 2,6-ether with methyl d-glucopyranoside (2:1), ether with .alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)]- (1:2)

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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. 2PPG-20 METHYL GLUCOSE ETHER DISTEARATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3PPG-20 METHYL GLUCOSE ETHER DISTEARATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PPG-20%20METHYL%20GLUCOSE%20ETHER%20DISTEARATE