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Marine biopolymer

CONCHIOLIN POWDER

CAS 11028-72-1
65

Safety score · 0–100

Fine

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

Conchiolin is a protein powder from mollusc shells used for conditioning effects. It is generally well tolerated topically but carries marine allergen risk and variable composition.

Function

ABRASIVE

Skin benefits

  • Marine protein powder from shell pearl layers
  • Provides amino acids and minerals to formulations
  • Marketed for skin and nail conditioning

Known concerns

  • Shellfish-derived ingredient with allergen potential
  • Variable composition between sources and lots
  • Limited modern SCCS or CIR review
  • Sustainability questions around shell sourcing

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related marine biopolymers

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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.