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Skin Conditioning

TETRAPEPTIDE-56

65

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A synthetic four-amino-acid peptide used as a skin-conditioning active. Low-risk by peptide class; independent data is thin.

Tetrapeptide-56 is a defined-sequence synthetic four-amino-acid peptide used as a skin-conditioning agent in cosmetic products. As with other numbered tetrapeptides, it is typically used at trace concentrations. The peptide class is intrinsically low-risk — too large to readily penetrate skin, rapidly broken down by skin enzymes, rarely sensitizing. No CIR or SCCS opinion has been published. Independent peer-reviewed efficacy data is essentially absent; claims rely on supplier in vitro studies.

Function

SKIN CONDITIONING

Skin benefits

  • Skin conditioning
  • Low irritation
  • Synthetic and defined

Known concerns

  • Limited independent data
  • No regulatory dossier
  • Supplier-driven claims

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.