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CYCLIZED LEUCONOSTOC FERMENT FILTRATE

81

Safety score · 0–100

Good

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

About

A ferment filtrate from a milk-fermenting bacterium that has been enzymatically cyclized — contains bioactive peptides and organic acids believed to support skin elasticity and barrier function.

Cyclized Leuconostoc Ferment Filtrate is produced by Leuconostoc species — the same lactic acid bacteria used in traditional kimchi and vegetable fermentations. The fermentation produces a complex filtrate of organic acids, enzymes, bioactive peptides, and exopolysaccharides. The 'cyclized' designation refers to an enzymatic cyclization process that may generate cyclic peptides with enhanced biological activity. Leuconostoc ferment has been shown in cell studies to stimulate collagen and hyaluronic acid production. The ingredient is typically used at low concentrations (0.5-5%) as a skin-conditioning active. No GHS hazards or EU restrictions apply.

Skin benefits

  • Stimulation of collagen synthesis
  • Hyaluronic acid production support
  • Skin barrier strengthening
  • Antioxidant from ferment bioactive compounds

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.