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Skin Conditioning

PROTAMINE SULFATE

CAS 9009-65-8 Updated
78

Safety score · 0–100

Fine

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

About

A naturally derived basic protein from fish sperm, used cosmetically for conditioning and mild antimicrobial support. Decades of pharma use give strong safety data, but fish-protein allergy is a notable caveat.

Function

SKIN CONDITIONING

Skin benefits

  • Conditioning protein
  • Mild antimicrobial support
  • Backed by pharma safety data

Known concerns

  • Fish-protein allergen potential
  • Not vegan
  • Possible immunogenicity in sensitized individuals

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 — always read the physical product label and consult a healthcare professional for personal concerns.