How we scored it
20 glycerin units linked by ether bonds, water loss excluded. All-natural = 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
Manufactured by oligomerising oleochemical glycerin (20 units). No significant petrochemical route exists for this feedstock.
In plain English
A chain of twenty linked glycerin units, made from plant-derived glycerin. Used as a humectant and to help control microbial growth.
CosIng definition: Glycerin polymer with 20 glycerin units
References
- 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.
- 2POLYGLYCERIN-20. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYGLYCERIN-20. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYGLYCERIN-20