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Skin Conditioning

TETRAPEPTIDE-16

84

Safety score · 0–100

Good

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

A synthetic four–amino acid peptide used for skin conditioning and to support firmness. Peptides at the low cosmetic doses used are well tolerated; efficacy data is largely supplier-driven.

Function

SKIN CONDITIONING

Skin benefits

  • Skin conditioning peptide
  • Marketed for firmness and reduced sensitivity
  • Used at low ppm — minimal irritation potential
  • Synthetic, well-defined sequence

Known concerns

  • Efficacy claims often based on supplier studies
  • Theoretical contact sensitization (rare with peptides)

References

EU

EU CosIng database

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

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ACETYLATED C10-40 HYDROXYALKYL ACID CHOLESTEROL/LANOSTEROL ESTERS
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ALANINE/HISTIDINE/LYSINE POLYPEPTIDE COPPER HCL
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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.