Science
Mechanism of Action
Rosewood oil operates via a high concentration of linalool (up to 94%), which penetrates the bacterial cell membrane to inhibit microbial growth. It simultaneously exerts an astringent effect by physically contracting skin tissues to minimize pore appearance and neutralizes reactive oxygen species to mitigate environmental oxidative stress.
Research
Clinical Evidence
Medium confidence0.2%
Key findings
- 01 Demonstrated minimum inhibitory concentration (MIC) against S. aureus and various bacterial strains.
- 02 Effective radical scavenging was observed at very low concentrations, establishing an EC50 of 15.46 µg/mL.
Transparency
Dusting Analysis
While effective at ultra-low concentrations for antioxidant benefits, it is often 'dusted' in luxury products at higher levels (0.3%+) for scent. However, concentrations exceeding 0.25% present a significant risk of cytotoxicity and skin cell damage.
The Formula
Formulation
Stability
Extremely sensitive to air and UV exposure. Oxidation transforms benign linalool into hydroperoxides, which are aggressive skin sensitizers. Formulation requires airtight, opaque delivery systems.
Synergies
- Antioxidants
- Emollients
- Chelating agents
Conflicts
- Open-air packaging
- UV light
- Strong oxidizing agents
- High thermal processing (>40°C)
Safety
Safety Profile
Classified as a significant contact allergen by the SCCS. The presence of linalool and limonene requires strict concentration control and protection against oxidation to prevent allergic contact dermatitis.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While it offers antimicrobial and astringent benefits, its high potential for sensitization and cytotoxicity at effective levels makes it an unfavorable choice for precision skincare.
Related
Similar Ingredients
Finding similar ingredients…