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Skin Conditioning

TETRAPEPTIDE-138

70

Safety score · 0–100

Fine

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

About

A proprietary synthetic tetrapeptide. Standard peptide safety profile; limited public evidence.

Tetrapeptide-138 is a synthetic four-amino-acid peptide with proprietary sequence. Small synthetic peptides generally have very low irritation risk and negligible systemic absorption. Sequence and efficacy data are proprietary/supplier-generated. No CIR or SCCS review.

Function

HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Small synthetic tetrapeptide — expected low irritation
  • Claimed skin-conditioning
  • Defined chemical structure

Known concerns

  • Proprietary sequence — limited independent data
  • Supplier-driven efficacy
  • No regulatory review

References

EU

EU CosIng database

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

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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.