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Skin Conditioning

TETRAPEPTIDE-51

70

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 promoted as a skin-signaling active. Cosmetic peptides are generally low-risk at the ppm levels actually used.

Function

SKIN CONDITIONING

Skin benefits

  • Synthetic four-amino-acid peptide
  • Marketed for anti-aging signaling
  • Used at trace concentrations

Known concerns

  • Proprietary peptide with limited public data
  • Efficacy claims often unverified
  • No formal cosmetic dossier

References

EU

EU CosIng database

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

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(ARTEMISIA SIEVERSIANA/DIMOCARPUS LONGANA) FLOWER/LEAF/STEM EXTRACT
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(ASPARAGUS COCHINCHINENSIS/LIRIOPE MUSCARI/REHMANNIA CHINENSIS) ROOT EXTRACT
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(CNIDIUM OFFICINALE/COPTIS CHINENSIS/GLYCYRRHIZA URALENSIS) ROOT EXTRACT
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(VETIVERIA ZIZANOIDES ROOT/PUERARIA THUNBERGIANA FLOWER/LEAF/STEM) WATER
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1,3-Dihydroxy-2-propanone
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ABIES ALBA WOOD EXTRACT
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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.