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Skin Conditioning

LESSONIA NIGRESCENS EXTRACT

Updated
74

Safety score · 0–100

Fine

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

About

An extract of Lessonia nigrescens, a Chilean kelp widely used for alginates. Provides hydrating polysaccharides and minerals; well tolerated topically with usual brown-algae caveats.

Function

SKIN PROTECTING

Skin benefits

  • Brown alga rich in alginates and laminarin
  • Mineral content supports skin remineralisation
  • Antioxidant phlorotannins

Known concerns

  • Brown algae can accumulate iodine and arsenic
  • Sustainability — Lessonia is a major commercially-harvested kelp
  • Limited cosmetic-specific safety review

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.