Database/Hair Conditioning/Phenylalanine
100% natural origin · ISO 16128

Is Phenylalanine natural?

Yes. Amino acid obtained by fermentation or hydrolysis of natural protein sources.

INCI namePhenylalanine
CAS63-91-2
FormulaC9H11NO2 · 165.19 Da
FunctionHair Conditioning · Fragrance
FeedstockProduced industrially by microbial fermentation or by hydrolysis…

How we scored it

Free amino acid; scored 1.0 as fermentation/protein-hydrolysate product.
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

Produced industrially by microbial fermentation or by hydrolysis of natural proteins. No petrochemical feedstock is used.

In plain English

An amino acid used to condition hair and skin. Produced by fermentation or from hydrolysed natural proteins.

Structure

2D structure of Phenylalanine

(2S)-2-amino-3-phenylpropanoic acid

PubChem CID 6140 ↗

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. 2Phenylalanine. PubChem CID 6140. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3PHENYLALANINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4PHENYLALANINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PHENYLALANINE