Science
Mechanism of Action
It operates through a dual-pathway approach: first, by inhibiting the NF-κB signaling pathway to halt the release of pro-inflammatory cytokines like IL-6 and TNF-α; second, by upregulating the skin's endogenous antioxidant defenses, specifically Superoxide Dismutase (SOD) and Catalase, to neutralize UV-induced reactive oxygen species.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 In vitro analysis confirms significant macrophage inflammation suppression via NF-κB pathway inhibition at concentrations of 50-100 μg/mL.
- 02 Ex vivo studies on UVB-stressed keratinocytes demonstrate a marked reduction in PGE2 and nitric oxide production when applied at 0.1-1.0%.
Transparency
Dusting Analysis
Due to its efficacy even at low concentrations, many brands include it at trace levels (<0.05%) for marketing claims without reaching the 0.1% threshold required for measurable photo-protective benefits.
The Formula
Formulation
Stability
Highly thermolabile; must be incorporated during the cool-down phase at temperatures below 40°C to preserve active phenolic compounds like bergenin.
Synergies
- Vitamin C
- Broad-spectrum UV filters
- Niacinamide
Conflicts
- Strong oxidizing agents
- Highly alkaline environments (pH > 7.0)
Safety
Safety Profile
Recognized by EU CosIng and the International Cosmetic Ingredient Dictionary; no documented adverse safety reports in topical applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An scientifically-backed botanical with precise anti-inflammatory mechanisms, making it an excellent secondary defense against photo-aging.
Related
Similar Ingredients
Finding similar ingredients…