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Skin Conditioning

PNA-21 CARBOXYETHYL FLUORENE

55

Safety score · 0–100

Moderate

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

A peptide-nucleic-acid conjugate carrying a fluorene group. Used at trace levels but the polyaromatic fluorene part lacks cosmetic safety precedent — limited data overall, default down.

Function

SKIN CONDITIONING

Skin benefits

  • Designer peptide-nucleic-acid conjugate for marketed signaling effects
  • Used at trace levels

Known concerns

  • Fluorene moiety raises concerns about polyaromatic-hydrocarbon-like behavior
  • Independent cosmetic safety data is essentially absent
  • Highly proprietary chemistry
  • Not a category with established cosmetic precedent

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.