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Beta-aspartyl lysine

CAS 56523-60-5

Beta-aspartyl lysine chemical structure

Concern score

Not assessed — no hazard data yet.

Beta-aspartyl lysine in plain language

What it is

Also known as Aspartylysine · L-.beta.-aspartyl-l-lysine · L-β-Aspartyl-L-lysine · ((S)-3-Amino-3-carboxypropanoyl)-L-lysine · DB-289805 · FA108004

Show all 12 names

H-?-Asp-Lys-OH · H-Asp(Lys-OH)-OH · L-lysine, l-.beta.-aspartyl- · L-Lysine, L-β-aspartyl- · L-beta-Aspartyl-L-lysine · N~2~-(3-Amino-3-carboxy-1-hydroxypropylidene)lysine

What it does

Used in cosmetics as a skin-conditioning agent and a hair conditioner.

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

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance chemical.

Regulation

No restrictions found. Beta-aspartyl lysine appears in these published regulatory listings.

  • EUCosIngActiveBeta-Aspartyl Lysine is the organic compound that conforms to the formula:
    • Beta-Aspartyl Lysine is the organic compound that conforms to the formula: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 Beta-aspartyl lysine. 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 Beta-aspartyl lysine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    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.