Science
Mechanism of Action
This extract promotes skin repair and renewal by stimulating keratinocyte proliferation, a process mediated through OR2AT4 activation and increased cAMP levels. It exerts anti-inflammatory effects by significantly reducing the expression of pro-inflammatory cytokines, specifically IL-6 and IL-8, in skin cells and macrophages. Its antioxidant capacity stems from compounds like patchouli alcohol, which decrease reactive oxygen species (ROS) and malondialdehyde (MDA) while boosting the activity of intrinsic antioxidant enzymes such as superoxide dismutase (SOD) and catalase (CAT). Furthermore, it acts as an astringent, helping to clear dead skin cells and microbes, and possesses antimicrobial, antifungal, and anti-photoaging properties.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Studies indicate that Pogostemon cablin extract enhances keratinocyte proliferation and accelerates wound healing by activating the OR2AT4 receptor and elevating cAMP levels. It also exhibits anti-inflammatory effects by reducing IL-6 and IL-8 expression in HaCaT keratinocytes and THP-1 differentiated macrophages.
- 02 Patchouli oil demonstrates notable antioxidant activity with reported IC50 values of 61.77 μg/mL (DPPH), 36.33 μg/mL (ABTS), and 101.85 μg/mL (FRAP). A facial wash formulation containing P. cablin oil was clinically shown to positively impact skin elasticity, pigmentation, and moisture content.
- 03 Pachypodol, a key bioactive component from P. cablin, exhibits potent anti-inflammatory effects, with IC50 values of 34.5 µM in RBL2H3 cells and 24.0 µM in RAW264.7 cells.
- 04 An ethyl acetate extract of P. cablin leaves, at a concentration of 0.03 mg/mL, effectively inhibited the growth of Klebsiella pneumoniae and Staphylococcus aureus, showing particular strength against K. pneumoniae.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The quality of the oil can be compromised by high temperatures during extraction, which may degrade heat-sensitive compounds and lead to the loss of volatile components. It also functions as a fixative, capable of slowing evaporation and extending the longevity of fragrances in cosmetic formulations.
Safety
Safety Profile
Pogostemon Cablin Leaf Oil is generally deemed safe for cosmetic applications when used within recommended concentrations of 0.5% to 2.0%. However, direct application of high concentrations or undiluted oil may induce allergies, irritation, or a burning sensation, necessitating prior patch testing. The FDA permits patchouli oil as a natural food flavoring.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Pogostemon Cablin Leaf Extract is a valuable ingredient for advanced skincare, offering significant anti-inflammatory, antioxidant, wound-healing, and antimicrobial properties across various skin types.
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References
Sources