Database/Cleansing/C12-13 Pareth-23
100% petroleum · ISO 16128

Is C12-13 Pareth-23 natural?

No. The C12-13 alcohol is an odd-and-even-carbon blend made from petrochemical olefins or paraffins, not a coconut or palm fatty alcohol, so neither the alcohol nor the ethylene-oxide chain counts as natural. Same ruling as C12-15 Alcohols and the C12-15 Pareths.

INCI nameC12-13 Pareth-23
CAS66455-14-9
FunctionCleansing · Emulsifying Surfactant
FeedstockPetrochemical C12-13 alcohols ethoxylated with about 23 units…

How we scored it

C12-13 oxo alcohols from petrochemical olefins + 23 EO (23×44.05 = 1013.2 Da, petrochemical ethylene oxide) → 0/total = 0.0.
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

Petrochemical C12-13 alcohols ethoxylated with about 23 units of ethylene oxide.

In plain English

A cleansing ingredient made from a plant-derived fatty alcohol reacted with a large number of ethylene oxide units, helping formulas blend oil and water.

CosIng definition: Alcohols, C12-13, ethoxylated (23 mol EO average molar ratio)

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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. 2C12-13 PARETH-23. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3C12-13 PARETH-23. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=C12-13%20PARETH-23