Science
Mechanism of Action
It functions by downregulating the protein expression of EMA, a marker for sebocyte differentiation, which effectively reduces the accumulation of lipids within the skin's oil-producing cells. Beyond oil control, it acts as a broad-spectrum antimicrobial agent that disrupts the cell membranes of C. acnes and S. aureus, while providing antioxidant protection to prevent the oxidation of squalene into comedogenic by-products.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 A 28-day clinical trial involving 42 multi-ethnic participants demonstrated that a 2% concentration applied twice daily resulted in a 7% reduction in total sebum and a significant decrease in squalene/glyceride content by up to 46%.
- 02 Pediatric clinical data showed a 90% reduction in viral lesions (Molluscum contagiosum) within 21 days when treated with a concentrated solution, highlighting its intense antimicrobial potential.
Transparency
Dusting Analysis
Because of its high efficacy at low dosages, brands often include it at negligible levels (below 0.1%) for marketing claims. A concentration of at least 1% is required to achieve meaningful seboregulating and antimicrobial benefits.
The Formula
Formulation
Stability
The extract is highly sensitive to light and thermal degradation. It is prone to oxidative stress and can form iso-citral artifacts if exposed to extreme pH or heat; hence, it is best stabilized in glycerin-based systems or via encapsulation.
Synergies
- Salicylic Acid
- Niacinamide
- Glycerin
Conflicts
- Alcohol-based solvents
- Ketonic solvents
- Strong oxidizing agents
Safety
Safety Profile
While the Australian TGA permits higher concentrations in therapeutic goods, cosmetic industry standards recommend a 1% limit for leave-on products due to the high citral content, which may cause sensitization in reactive individuals.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptional botanical for oily and congested skin types that offers clinically proven sebum reduction and antimicrobial protection at low concentrations.
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References
Sources