Science
Mechanism of Action
L-MENTHANONE exerts antimicrobial effects, specifically against MRSA, by disrupting bacterial membrane integrity, depolarizing membrane potential, and disturbing lipid homeostasis within bacterial cells. On human skin, it enhances stratum corneum permeability by disorganizing the ordered lipid structures and extracting a portion of these lipids, potentially facilitating the penetration of other active ingredients.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
L-MENTHANONE remains stable under recommended cool, dry, and well-ventilated storage conditions. It is crucial to store it away from incompatible materials.
Conflicts
- strong oxidizing agents
- strong reducing agents
Safety
Safety Profile
L-MENTHANONE (menthone) is classified by GHS as a Skin irritation Category 2, indicating it 'Causes skin irritation', and a Skin sensitization Sub-category 1B, signifying it 'May cause an allergic skin reaction'. An in vitro study on reconstructed human epidermis showed significant irritation, with tissue viability dropping to 10.4% after 15 minutes at a high concentration (76% menthone mix). However, 48-hour closed patch tests in humans at 8% in petrolatum showed no irritation for isomenthone and racemic menthone. The RIFM identified it as a sensitizer, establishing a No Expected Sensitization Induction Level (NESIL) of 10000 µg/cm². It is considered not genotoxic, photoirritating, or photoallergenic. It may cause slight eye irritation, but not to the extent of hazard classification.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While L-MENTHANONE offers antimicrobial properties and enhances skin permeability, its classification as a skin irritant and sensitizer, coupled with limited human clinical efficacy data for skin benefits, raises significant concerns for precision skincare formulations.
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References
Sources