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Skin Conditioning

LAMINARIA LONGISSIMA EXTRACT

Updated
70

Safety score · 0–100

Fine

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

About

Brown seaweed extract from Laminaria longissima, similar to other kelp extracts. Provides minerals and antioxidant fucoidans. Iodine content means thyroid-sensitive users should patch test.

Function

HUMECTANT

Skin benefits

  • Brown algae mineral and polysaccharide source
  • Skin hydration and conditioning
  • Antioxidant fucoidans

Known concerns

  • Iodine content — caution for thyroid issues
  • Possible heavy-metal accumulation in algae
  • Allergy in seaweed-sensitive users

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.