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Skin Conditioning

CRYSTALLINS

CAS 11046-99-4
75

Safety score · 0–100

Fine

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

Water-binding structural proteins (CAS 11046-99-4) naturally found in the vertebrate eye lens, used in cosmetics for film-forming and skin-conditioning effects. Generally well tolerated; sourcing transparency varies.

Skin benefits

  • Water-binding structural proteins
  • Provide film-forming and skin conditioning effects
  • Stable in typical skincare emulsions
  • Source of moisturizing peptides on degradation

Known concerns

  • Animal-derived ingredient — not suitable for vegans
  • Limited cosmetic-specific safety literature
  • Sourcing transparency varies between suppliers

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.