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Skin Conditioning

RH-POLYPEPTIDE-26

72

Safety score · 0–100

Fine

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

A lab-made copy of human Flt3 ligand, an immune-cell signaling protein. Cautious tier reflects its biological potency despite minute cosmetic dosing.

Function

SKIN CONDITIONING

Skin benefits

  • Recombinant Flt3 ligand analog for skin conditioning
  • High-purity E. coli production
  • Used at very low cosmetic doses

Known concerns

  • Flt3 ligand stimulates immune cell proliferation — caution warranted
  • EU Annex II/416 references suggest restricted use
  • Limited public cosmetic 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.