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Skin Conditioning

HASLEA OSTREARIA EXTRACT

70

Safety score · 0–100

Fine

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

Extract of a blue marine diatom rich in the marennine pigment. Used for antioxidant and conditioning effects; safety record is short but no significant cosmetic signals reported.

Function

SKIN CONDITIONING

Skin benefits

  • Marennine pigment with antioxidant activity
  • Marine sustainable source
  • Mild skin-conditioning effects

Known concerns

  • Blue color may stain pale formulations
  • Very limited cosmetic safety dossier
  • Possible algal-protein sensitization

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.