Database/Hair Dyeing/HC Yellow No. 16
100% petroleum · ISO 16128

Is HC Yellow No. 16 natural?

No. HC dyes are a synthetic hair-colourant class with no natural fragments; exact structure not confirmed here.

INCI nameHC Yellow No. 16
CAS1184721-10-5
FunctionHair Dyeing
FeedstockSynthesised from petrochemical aromatic amine/nitro intermediates, as with…

How we scored it

No formula supplied; HC-series dyes are, as a class, fully synthetic → 0.0 by class knowledge.
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

Synthesised from petrochemical aromatic amine/nitro intermediates, as with all HC-series dyes. No natural route known.

In plain English

A synthetic dye used in semi-permanent hair colouring to add a yellow tone. Manufactured from petrochemical raw materials, as with other HC dyes.

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Structure

2D structure of HC Yellow No. 16

PubChem CID 136602044 ↗

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. 2HC Yellow No. 16. PubChem CID 136602044. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3HC YELLOW NO. 16. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4HC YELLOW NO. 16. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=HC%20YELLOW%20NO.%2016