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Skin Conditioning

ACETYL TETRAPEPTIDE-9

87

Safety score · 0–100

Good

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

A signal peptide that nudges skin to make more collagen and lumican — the proteins that keep skin firm and structured. Used in serums and creams; very low irritation risk at the tiny doses used in cosmetics.

Function

SKIN CONDITIONING

Skin benefits

  • Signals collagen and lumican synthesis
  • Visible firming over weeks of use
  • Synergistic with other matrikines

Known concerns

  • Efficacy claims rely heavily on supplier studies
  • Stability requires careful formulation

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.