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Skin Conditioning

PORPHYRA TENERA EXTRACELLULAR VESICLES

65

Safety score · 0–100

Fine

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

About

Nano-vesicles from nori-style red seaweed (Porphyra tenera). Carries marine antioxidants and polysaccharides; novel class with limited safety data.

Porphyra tenera extracellular vesicles are nanoscale lipid-bilayer vesicles isolated from the edible red seaweed Porphyra tenera (nori). They are marketed for skin conditioning and antioxidant signalling, leveraging the alga’s natural mycosporine-like amino acids, sulphated polysaccharides, and lipids. The vesicle ingredient class is novel; no SCCS or CIR opinion exists, and safety rests on supplier data. Porphyra has a long food-grade history (GRAS in the US), which provides class comfort, but iodine content and rare seafood-allergen reactivity should be considered.

Function

SKIN CONDITIONING - EMOLLIENT, SKIN PROTECTING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Marine algae-derived signalling vesicles
  • Source of mycosporine-like amino acids and polysaccharides
  • Generally low irritation

Known concerns

  • Novel ingredient with no SCCS or CIR opinion
  • Iodine and seafood-allergy potential for some users
  • Supplier-driven efficacy claims

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.