Database/Hair Dyeing/Solvent Green 3
100% petroleum · ISO 16128

Is Solvent Green 3 natural?

No. This anthraquinone-toluidine dye is built entirely from petrochemical aromatic intermediates.

INCI nameSolvent Green 3
CAS128-80-3
FunctionHair Dyeing
FeedstockManufactured by condensing petrochemical anthraquinone with p-toluidine. No…

How we scored it

1,4-bis(p-toluidino)anthraquinone (no formula supplied; identified from name/CAS); entirely synthetic anthraquinone dye, no mineral fragment present. 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

Manufactured by condensing petrochemical anthraquinone with p-toluidine. No natural feedstock or mineral counter-ion is present.

In plain English

A synthetic green anthraquinone dye used to colour hair. It is manufactured from petrochemical aromatic starting materials.

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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. 2SOLVENT GREEN 3. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3SOLVENT GREEN 3. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SOLVENT%20GREEN%203