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Skin Conditioning

PNA-4 CARBOXYETHYL FLUORENE

55

Safety score · 0–100

Moderate

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

A 13-nucleobase PNA polymer using adenine, guanine and cytosine derivatives, marketed for structured interactions with skin biology. Same novel-polymer caveat as the rest of the PNA series — sparse public data keeps it in orange.

Function

NOT REPORTED

Skin benefits

  • Marketed as advanced skin-conditioning
  • Engineered nucleobase interactions
  • Synthetic non-protein backbone

Known concerns

  • Novel PNA polymer — very limited public toxicology
  • No CIR or SCCS assessment
  • Bioactive design intent without robust safety data

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.