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Antioxidant

THIOCTOYL PENTAPEPTIDE-4

78

Safety score · 0–100

Fine

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

A pentapeptide functionalised with thioctic acid (alpha-lipoic acid) — a versatile antioxidant. Generally well tolerated at low cosmetic levels but may cause mild irritation in very sensitive skin.

Function

ANTIOXIDANTBLEACHINGHAIR CONDITIONINGSKIN PROTECTING

Skin benefits

  • Antioxidant via alpha-lipoic acid
  • Skin-protecting peptide effects
  • Both water- and lipid-soluble bioactivity

Known concerns

  • Possible mild irritation in sensitive skin
  • Sulfur compound — slight odor potential
  • Limited public clinical data

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.