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Skin Conditioning

PENTAPEPTIDE-30 CYSTEINAMIDE

70

Safety score · 0–100

Fine

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

A short synthetic peptide with a cysteinamide tail, marketed for skin signaling. Tiny in-use percentages and a low-irritation profile, but limited published safety review.

Function

HAIR CONDITIONING

Skin benefits

  • Synthetic five-amino-acid peptide
  • Marketed for anti-aging signaling
  • Used at trace levels

Known concerns

  • Proprietary peptide with little public data
  • Cysteine residue can oxidize
  • Efficacy claims often unverified

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.