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Skin Conditioning

TETRAPEPTIDE-99

86

Safety score · 0–100

Good

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

A four-amino-acid peptide that mimics natural skin signals to support cellular repair and renewal. Built from food-grade amino acids; gentle, low-irritation profile at typical levels.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Skin renewal signaling peptide
  • Composed of natural L-amino acids
  • Used at very low concentrations
  • Low irritation potential

Known concerns

  • Limited independent peer-reviewed data
  • Efficacy claims often supplier-derived

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.