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Skin Conditioning

TETRAPEPTIDE-59

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 for skin conditioning. Low-risk by peptide class; independent evidence is sparse.

Tetrapeptide-59 is a defined-sequence synthetic peptide of four amino acids used as a skin-conditioning agent. Tetrapeptides in cosmetics are typically used at fractions of a percent and have a generally clean class safety record: low irritation, minimal sensitization, rapid enzymatic breakdown into amino acids. No CIR or SCCS opinion has been published for this peptide. Independent peer-reviewed efficacy data is sparse; most claims trace to supplier in vitro work.

Function

SKIN CONDITIONING

Skin benefits

  • Skin conditioning
  • Low irritation
  • Biodegrades to amino acids

Known concerns

  • Limited independent data
  • No regulatory review
  • 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.