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Skin Conditioning

ACETYL SH-TETRAPEPTIDE-1

72

Safety score · 0–100

Fine

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

An acetylated four-amino-acid signaling peptide used at trace levels in anti-aging serums. Generally well tolerated; clinical evidence beyond supplier data is limited.

Function

SKIN CONDITIONING

Skin benefits

  • Acetylated synthetic tetrapeptide
  • Skin conditioning / signaling peptide
  • Used at very low % in serums

Known concerns

  • Limited independent safety dossier
  • Marketing claims often outpace clinical evidence
  • Possible sensitization in reactive users

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.