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Skin Conditioning

TETRAPEPTIDE-4

Updated
78

Safety score · 0–100

Fine

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

About

A small signal peptide marketed for firming and skin-renewal claims. Generally well-tolerated; cosmetic-specific evidence is modest.

Function

SKIN CONDITIONING

Skin benefits

  • Marketed firming
  • Signal peptide activity
  • Low irritation
  • Active at low %

Known concerns

  • Limited public safety dossier
  • Modest independent efficacy data

References

EU

EU CosIng database

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

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ACETYL D-ASPARAGINYL D-THREONYL D-TYROSINE
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Check your shelf

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