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Skin Conditioning

R-BACILLUS LICHENIFORMIS KERATINASE

Updated
58

Safety score · 0–100

Moderate

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

About

A lab-made (recombinant) bacterial enzyme that breaks down keratin. Used for smoothing claims, but proteolytic enzymes can irritate or sensitise, so handled carefully and at very low %.

Function

NAIL CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Recombinant keratin-degrading enzyme
  • Promoted for keratin smoothing and exfoliation
  • Used at very low percentages

Known concerns

  • Proteolytic enzyme — can be skin and eye irritant if poorly formulated
  • Inhalation sensitisation risk for raw material
  • Sparse public cosmetic safety dossier
  • Activity dependent on pH and storage

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.