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Film Former

SH-POLYPEPTIDE-121

68

Safety score · 0–100

Fine

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

A lab-made human-collagen (type XXI) peptide designed to firm skin and form a protective film. Cutting-edge biotech with very limited safety data, so we keep it in the yellow caution tier.

Function

FILM FORMINGSKIN CONDITIONING

Skin benefits

  • Skin firming claim
  • Film-forming barrier support
  • High-purity recombinant collagen

Known concerns

  • Sparse safety publications
  • Potential immunogenicity
  • Novel collagen subtype

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related film formers

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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.