Database/Skin Conditioning/Tristearin
100% natural origin · ISO 16128

Is Tristearin natural?

Yes. Both glycerin and stearic acid, common in vegetable fats such as shea and cocoa butter, are natural oleochemical feedstocks.

INCI nameTristearin
CAS555-43-1
FormulaC57H110O6 · 891.5 Da
FunctionSkin Conditioning · Viscosity Controlling
FeedstockMade by esterifying vegetable glycerin with stearic acid…

How we scored it

Glycerol (natural) triesterified with three stearic acid units (natural, vegetable fat); condensation water not counted → 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 esterifying vegetable glycerin with stearic acid from vegetable fats. No petrochemical route is used commercially.

In plain English

A skin-conditioning and thickening ingredient made from glycerin and three units of stearic acid, a fatty acid common in vegetable fats like shea and cocoa butter.

CosIng definition: Glycerol tristearate

Structure

2D structure of Tristearin

2,3-di(octadecanoyloxy)propyl octadecanoate

PubChem CID 11146 ↗

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. 2Tristearin. PubChem CID 11146. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3TRISTEARIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4TRISTEARIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TRISTEARIN