Database/Skin Conditioning/Glyceryl Acetate
Mostly natural · ISO 16128

Is Glyceryl Acetate natural?

Mostly. Glycerin comes from vegetable oils or biodiesel, while the acetyl group comes from petrochemical acetic acid or anhydride, as with other acetyl caps.

INCI nameGlyceryl Acetate
CAS26446-35-5
FormulaC5H10O4 · 134.13 Da
FunctionSkin Conditioning
FeedstockDominant route esterifies vegetable-derived glycerin with acetic acid…

How we scored it

Glyceryl-O C3H7O3 91.09 natural; acetyl C2H3O 43.05 petrochemical (acetic acid or anhydride cap). 91.09/134.13 = 0.68.
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

Dominant route esterifies vegetable-derived glycerin with acetic acid or acetic anhydride made by methanol carbonylation. Fermentation (vinegar) acetic acid exists but is not the usual cosmetic supply route.

In plain English

A mild, water-attracting ester of glycerin and acetic acid that helps skin hold moisture. The glycerin part comes from vegetable oil; the acetic acid part is normally made from petrochemical sources.

CosIng definition: Glyceryl Acetate is the ester of acetic acid and glycerin

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Structure

2D structure of Glyceryl Acetate

2,3-dihydroxypropyl acetate

PubChem CID 33510 ↗

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. 2Glyceryl Acetate. PubChem CID 33510. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3GLYCERYL ACETATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4GLYCERYL ACETATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=GLYCERYL%20ACETATE