Science
Mechanism of Action
As a zinc salt of undecylenic acid, it disrupts fungal cell membranes and enzyme systems, inhibiting growth. The zinc ion provides an astringent effect, reducing irritation and controlling moisture to create an unfavorable environment for microbes.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Int J Dermatol. 1980 Jan-Feb;19(1):51-4. Efficacy of undecylenic acid-zinc undecylenate powder in culture positive tinea pedis.
- 02 U.S. Food and Drug Administration (FDA) OTC Monograph M005: Topical Antifungal Drug Products for Over-the-Counter Human Use
- 03 DailyMed - DERMAN ANTIFUNGAL- zinc undecylenate cream
Transparency
Dusting Analysis
Zinc Undecylenate is an FDA-approved OTC antifungal at concentrations of 10-25%, making effective dosing common.
The Formula
Formulation
Stability
Stable across a broad pH range (4-9) and requires storage in a cool, dry place away from heat.
Conflicts
- strong oxidizing agents
- acids
- heat
- light
Safety
Safety Profile
The CIR Panel found it safe when non-irritating, deferring to FDA approval for OTC antifungal use at 10-25%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A versatile ingredient with strong antifungal and antibacterial properties, effectively supporting skin health and formulation stability.
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References
Sources