Leucidal® Liquid PT

Leucidal® Liquid PT is a sophisticated antimicrobial produced by the fermentation of Lactobacillus under controlled stress conditions. This “stressing” of the bacteria induces a high yield of antimicrobial peptides and secondary metabolites. The process is further enhanced by Lysozyme-facilitated cell lysis and the addition of biotransformed undecylenates derived from castor oil, creating a highly efficacious, water-soluble system.

Key Features & Technical Benefits

  • Biotransformed Antifungal Activity: Unlike standard undecylenic acid, the biotransformed undecylenates in this system are fully water-soluble, providing powerful antifungal protection without the solubility issues of traditional fatty acids.

  • Broad-Spectrum Protection:

    • Bacteria: S. aureus (Gram+), E. coli and P. aeruginosa (Gram-).

    • Fungi: C. albicans (Yeast) and A. brasiliensis (Mould).

  • Dose-Dependent Antioxidant Capacity: Confirmed via ORAC assay, offering additional protection against oxidative stress in finished formulations.

  • Skin Conditioning: Provides dual-action benefits by contributing to skin moisturization alongside its antimicrobial role.

Formulation & Regulatory

  • Solubility: Fully water-soluble, making it ideal for toners, serums, and the aqueous phase of emulsions.

  • Format: Liquid; easy to incorporate into cold-process or cooling-phase formulations.

  • Safety: Full safety dossier is available for regulatory review.

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Primary Function(s)
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INCI Name
Lactobacillus Ferment, Aqua
CAS Number(s)
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Use Levels
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Free from Annex V or Preservative Free
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Application Type
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Cosmetic Science Criteria

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Green Criteria

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Natural Origin Index (ISO 16128)
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COSMOS Status
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Vegan
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Palm Status
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Palm Free
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Wild Harvested
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Biodegradability
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EWG Score
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Halal
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Upcycled
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Regulatory Status

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