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Indoleacetyl phenylalanine

CAS 57105-50-7

Indoleacetyl phenylalanine chemical structure

Concern score

Not assessed — no hazard data yet.

Indoleacetyl phenylalanine in plain language

What it is

On cosmetic ingredient lists it appears as “Indol acetyl phenylalanine”.

Also known as Indol acetyl phenylalanine · (2-(1H-indol-3-yl)acetyl)-L-phenylalanine · (S)-2-(2-(1H-indol-3-yl)acetamido)-3-phenylpropanoic acid · H-Phe(3-IndolylAc)-OH · IAA-L-Phe · Indol-3 acetyl phenylalanine

Show all 11 names

Indole-3-acetyl-L-phenylalanine · Indole-3-acetylphenylalanine · L-Phenylalanine, N-(1H-indol-3-ylacetyl)- · N-(3-indolylacetyl)-L-phenylalanine · UNII-7DQ9F5L55Y

What it does

Used in cosmetics as a skin-conditioning agent. Indol Acetyl Phenylalanine is the dipeptide consisting of Phenylalanine and Tryptophan residues.

  • Skin conditioning
  • Conditioner
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Indoleacetyl phenylalanine appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveIndol Acetyl Phenylalanine is the dipeptide consisting of Phenylalanine and Tryptophan residues
    • Indol Acetyl Phenylalanine is the dipeptide consisting of Phenylalanine and Tryptophan residuesSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Indoleacetyl phenylalanine. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Indoleacetyl phenylalanine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2019-12-20

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Indoleacetyl phenylalanine in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Skin conditioningConditioner
See products using Indoleacetyl phenylalanine →