Database/Skin Conditioning/PPG-26
100% petroleum · ISO 16128

Is PPG-26 natural?

No. Every repeat unit derives from petrochemical propylene oxide.

INCI namePPG-26
CAS25322-69-4
FormulaC3H8O2 · 76.09 Da
FunctionSkin Conditioning
FeedstockPPG-26 is manufactured by polymerizing propylene oxide (from…

How we scored it

Polypropylene glycol, 26 mol propylene oxide average; propylene oxide/PG is petrochemical, regardless of chain length → 0.0.
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

PPG-26 is manufactured by polymerizing propylene oxide (from propylene, a petroleum-cracking product) onto a water or glycol initiator. No natural route exists for polypropylene glycols.

In plain English

A synthetic conditioning ingredient made from 26 linked units of propylene oxide. It is entirely petrochemical in origin.

CosIng definition: Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (26 mol PO average molar ratio)

Natural alternatives with the same function

Abelmoschus Esculentus Fruit Extract 100% natural origin

An extract made from okra pods, used to condition skin in cosmetic formulas. Produced by extracting the fruit,…

 Abelmoschus Manihot Flower Extract 100% natural origin

A flower extract from a hibiscus relative, used to condition and soothe skin. Made by extracting the flowers…

 Abies Alba Extract 100% natural origin

An extract of the European silver fir (Abies alba), a conifer from the mountains of Europe. It is…

 Acacia Concinna Fruit Extract 100% natural origin

An extract from shikakai fruit, a plant traditionally used in Indian hair and skin care. It conditions skin…

 Acacia Dealbata Flower Extract 100% natural origin

An extract of mimosa flowers used to help condition skin. Made by extracting compounds from the fragrant yellow…

 Acacia Dealbata Flower Wax 100% natural origin

A soft wax from mimosa flowers used to condition skin and add emollience. It is derived directly from…

Structure

2D structure of PPG-26

propane-1,2-diol

PubChem CID 1030 ↗

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-26. PubChem CID 1030. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3PPG-26. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4PPG-26. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PPG-26