Database/Humectant/Diglycerin
100% natural origin · ISO 16128

Is Diglycerin natural?

Yes. Built entirely from glycerin, itself oleochemical or fermentation-derived; ether condensation only loses water, adding no petrochemical mass.

INCI nameDiglycerin
CAS59113-36-9
FormulaC6H14O5 · 166.17 Da
FunctionHumectant · Skin Conditioning
FeedstockMade by acid- or base-catalysed etherification of vegetable-oil-derived…

How we scored it

Diglycerin = 2 glycerin (C3H8O3, 92 Da each) condensed with loss of 1 H2O; every atom traces to glycerin, no external reagent mass retained. 1.0.
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

Made by acid- or base-catalysed etherification of vegetable-oil-derived (or fermentation) glycerin, two molecules condensing with loss of water. No petrochemical route is commercially significant.

In plain English

A humectant that draws and holds moisture in skin and hair. It's made by joining two glycerin molecules together, and glycerin itself usually comes from plant oils or fats.

CosIng definition: Diglycerin is a dimer of Glycerin

Structure

2D structure of Diglycerin

3-(2,3-dihydroxypropoxy)propane-1,2-diol

PubChem CID 42953 ↗

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. 2Diglycerin. PubChem CID 42953. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3DIGLYCERIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4DIGLYCERIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DIGLYCERIN