Science
Mechanism of Action
It targets TRPA1 and TRPM8 channels in peripheral nerve terminals, providing pain relief, itch suppression, and a menthol-like cooling effect. Borneol additionally acts as a permeation enhancer, aiding in the absorption of other topical compounds.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 A 25% topical application significantly reduced postoperative pain, demonstrating analgesic effects comparable to NSAIDs.
- 02 Topical application effectively suppressed nonhistaminergic itching in mice by targeting TRPA1 and TRPM8 channels.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Borneol shows good chemical stability, resisting oxidation and deterioration to maintain performance and extend product shelf life. It is stable in both alcoholic and oil-based formulations, with an optimal pH range of 3.83-3.95 in gel.
Synergies
- Enhances permeation of other compounds
Conflicts
- Strong bases
- Strong oxidizing agents
- Strong acids
- Some halogenated compounds
Safety
Safety Profile
The CIR Panel deems borneol safe up to 3%, though a 2022 survey indicated maximum use around 0.54%. It is also recognized as safe for food flavoring (FEMA GRAS) and used in some FDA-regulated topical drugs.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Borneol is a valuable ingredient for targeted formulations, offering proven analgesic and anti-pruritic benefits with a cooling sensation and potential to enhance penetration of other active ingredients.
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References
Sources