Science
Mechanism of Action
Operates through the inhibition of COX-1, COX-2, and 5-LOX enzymatic pathways, effectively downregulating pro-inflammatory cytokines such as IL-6 and IL-8. It further provides broad-spectrum protection by scavenging free radicals via DPPH/ABTS inhibition and preventing TLR4-induced inflammation triggered by bacterial pathogens.
Research
Clinical Evidence
Medium confidence1%
Key findings
- 01 A 14-day blemish study confirmed that a 1.0% concentration significantly reduces the size and quantity of acne lesions while visibly calming associated redness.
- 02 In vitro analysis established a Minimum Inhibitory Concentration (MIC) of 0.0612% against S. aureus, highlighting its efficiency as a localized antimicrobial agent.
Transparency
Dusting Analysis
Due to strict IFRA and Health Canada restrictions (0.12% or lower), many formulas include this ingredient at negligible levels (below 0.01%) for fragrance claims, which fails to reach the 0.0612% MIC required for meaningful antimicrobial activity.
The Formula
Formulation
Stability
Highly susceptible to UV degradation and thermal oxidation. Encapsulation in liposomes or hydrogels is recommended to maintain bio-activity and ensure controlled release.
Synergies
- Antioxidants
- Liposomal delivery systems
- Chelating agents
Conflicts
- Strong oxidizing agents
- High-heat processing (>40°C)
- Direct ultraviolet exposure
Safety
Safety Profile
Regulatory limits are primarily driven by the presence of estragole and methyl eugenol; IFRA guidelines may restrict leave-on applications to as low as 0.0004% depending on the specific product category.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An efficacious botanical for acne management and microbial control, provided it is formulated within the narrow therapeutic window between its MIC and regulatory safety limits.
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References
Sources