Spectrastat CHA

Spectrastat CHA (INCI: Caprylhydroxamic Acid, Caprylyl Glycol, Glycerin) is a versatile antimicrobial. Designed using advanced Hurdle Technology, this blend offers a broad-spectrum protection. By combining a unique organic chelating acid with a multifunctional glycol, it creates a collectively hostile environment for microbial growth without relying on traditional parabens, phenoxyethanol, or isothiazolinones.

Key Benefits and Performance

  • The “pH-Independent”Caprylhydroxamic Acid (CHA) in this blend remains undissociated at neutral pH. This allows for robust yeast and mould control even in formulations at higher pH

  • Triple-Hurdle Mechanism: * Chelation (CHA): A 100% natural organic acid that sequesters the iron (Fe3+) necessary for mould and yeast metabolism, effectively “starving” them.

    • Membrane Disruption (Caprylyl Glycol): A C8 diol that destabilizes the lipid membranes of both Gram-positive and Gram-negative bacteria.

    • Water Activity Reduction (Glycerin): Acts as a carrier that simultaneously lowers the “free water” available for microbial survival.

  • Broad-Spectrum Mastery: Proven efficacy against a full battery of challenge organisms, including Pseudomonas aeruginosa, Staphylococcus aureus, E. coli, Candida albicans, and Aspergillus brasiliensis.

  • Multifunctional Skin Benefits: Beyond its antimicrobial role, the blend functions as a skin-conditioning agent and humectant, contributing to a smooth, moisturized skin feel.

  • Cold Processable: A liquid blend that is easy to handle and can be incorporated without heating.

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Primary Function(s)
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INCI Name
Caprylhydroxamic acid
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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