Database/Antistatic/Isopropyl Lanolate
Mostly natural · ISO 16128

Is Isopropyl Lanolate natural?

Mostly. Lanolin acids come from sheep's wool grease; isopropanol is an explicitly petrochemical solvent alcohol.

INCI nameIsopropyl Lanolate
CAS63393-93-1
FunctionAntistatic · Binding
FeedstockEster of natural lanolin (wool grease) fatty acids…

How we scored it

Lanolin fatty acid (avg ~284 Da, natural, wool-grease derived) minus OH = 267 Da + isopropyl fragment C3H7O 59.1 Da (petrochemical). 267/326.1=0.82.
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

Ester of natural lanolin (wool grease) fatty acids with petrochemical isopropanol. Lanolin acid composition varies widely (chain length roughly C10-C26), so the exact fraction is an approximation.

In plain English

An emollient ester of lanolin fatty acids from sheep's wool grease and synthetic isopropanol. It conditions skin and hair and helps other ingredients spread evenly.

CosIng definition: Fatty acids, lanolin, iso-Pr esters

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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. 2ISOPROPYL LANOLATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3ISOPROPYL LANOLATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ISOPROPYL%20LANOLATE