Database/Hair Conditioning/PPG-20 Methyl Glucose Ether
Mostly petroleum · ISO 16128

Is PPG-20 Methyl Glucose Ether natural?

Mostly not. The glucose core is natural; the methyl group and twenty propylene oxide units are petrochemical.

INCI namePPG-20 Methyl Glucose Ether
CAS61849-72-7
FunctionHair Conditioning · Skin Conditioning
FeedstockCorn-glucose methyl glucoside propoxylated with petrochemical propylene oxide.

How we scored it

The INCI number fixes the propoxylation at 20 PO. Methyl glucoside 194.2 Da = glucose residue 179.2 Da (natural) + methyl 15.0 Da (petrochemical); 20 PO 1161.6 Da petrochemical; total 1355.8 Da; 179.2/1355.8 = 0.13.
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

Corn-glucose methyl glucoside propoxylated with petrochemical propylene oxide.

In plain English

A conditioning ingredient made from corn sugar reacted with propylene oxide, a petroleum-based chemical. The listed structure suggests fewer oxide units than the name implies, so treat this figure as approximate.

CosIng definition: Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)

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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. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3PPG-20 METHYL GLUCOSE ETHER. 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