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Skin Conditioning

LACTOBACILLUS/SKELETONEMA FERMENT

CAS -
72

Safety score · 0–100

Fine

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

A dual ferment of Lactobacillus and marine diatom Skeletonema — yields a postbiotic rich in peptides and polysaccharides.

Lactobacillus/Skeletonema ferment is produced by co-culturing Lactobacillus (probiotic bacterium) with Skeletonema (a marine diatom). Fermentation generates lactic acid, peptides, oligosaccharides, omega-3 fatty acids (from the diatom), and polyphenolic compounds. It is positioned as a postbiotic conditioning and antioxidant ingredient, often in marine-inspired skincare. Lactobacillus ferments broadly have a decades-long safe cosmetic use history; the added Skeletonema component introduces marine-algae chemistry with possible iodine/halogen trace content. No specific CIR/SCCS opinion on this combination.

Function

SKIN PROTECTING

Skin benefits

  • Co-ferment of Lactobacillus with marine diatom Skeletonema — yields peptides, oligosaccharides, and fatty acids
  • Postbiotic with broad claimed conditioning and antioxidant benefits
  • Lactobacillus fermentation has long cosmetic track record

Known concerns

  • Marine-algae input can introduce iodine and halogenated compounds
  • Standardization of mixed-species ferment varies
  • Limited controlled cosmetic studies

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.