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Skin Conditioning

FERVIDOBACTERIUM ISLANDICUM/CHICKEN FEATHER FERMENT FILTRATE

60

Safety score · 0–100

Fine

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

A bacterial ferment that digests chicken feathers to release keratin peptides. Used to condition skin and hair. Generally tolerable but novel; animal-derived and could carry residual protein allergens.

Skin benefits

  • Keratin-derived peptides for skin/hair conditioning
  • Amino-acid building blocks for barrier
  • Sustainable feather upcycling

Known concerns

  • Animal-derived substrate; vegan-incompatible
  • Allergen potential from residual feather proteins
  • No CIR/SCCS opinion; novel ingredient class

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.