Science
Mechanism of Action
Sambucus Nigra Extract exerts its beneficial effects through several key mechanisms. It functions as a powerful antioxidant by neutralizing free radicals, thereby protecting skin cells from oxidative damage induced by environmental aggressors like pollution and UV radiation. Its significant anti-inflammatory properties are mediated by inhibiting key signaling pathways, specifically mitogen-activated protein kinases/activator protein 1 (MAPK/AP-1) and nuclear factor-κB (NF-κB), leading to a reduction in redness and irritation. The extract aids in skin brightening by inhibiting melanin production and leveraging its natural vitamin C content to diminish hyperpigmentation. As a natural humectant, it draws and retains moisture, preventing dehydration and reinforcing the skin's barrier. It also inhibits the enzyme responsible for hyaluronic acid degradation, preserving skin's intrinsic hydration capacity. Furthermore, it supports anti-aging efforts by reducing the appearance of fine lines and wrinkles through the inhibition of collagen-degrading enzymes and promoting procollagen type I synthesis. Mild astringent qualities contribute to pore refinement, while subtle antimicrobial properties offer supportive benefits for blemish-prone skin.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Elderflower extract demonstrated superior DPPH inhibition compared to rutin, BHT, and BHA, indicating high antioxidant potency.
- 02 Elderflower extract achieved the highest inhibition of DPPH at 97.70%.
- 03 Bastardeira M-extract supported approximately 75% cell viability in vitro.
- 04 Rich-phenolic Sabugueira cultivar extracts were more effective in reducing LPS-stimulated NO production; Sabugueira H extract reduced NO by ~25%, and Bastardeira H extract by ~40%.
- 05 Bastardeira M-extract significantly increased cell viability to approximately 87% of the untreated control.
- 06 Elderberry extract exhibited superior free-radical-scavenging activity compared to arbutin.
- 07 Fermented Sambucus nigra extract was a more potent inhibitor of pro-inflammatory cytokines compared to the unfermented extract at 1000 µg/mL.
Transparency
Dusting Analysis
While 'natural' extracts can sometimes be incorporated for marketing, the available research provides specific in vitro concentrations demonstrating the efficacy of Sambucus Nigra Extract across multiple skin benefits, indicating it is typically included for its active properties rather than as a 'dusting' ingredient.
The Formula
Formulation
Stability
To preserve its vibrant color and antioxidant potency, Sambucus Nigra Extract should be integrated into formulations during the cool-down phase, specifically when temperatures are below 40-50°C (104-122°F). A high content of organic acids, such as citric acid, can help lower the pH and stabilize its valuable phenolic acids, flavonoids, and anthocyanins, potentially enhancing its antioxidative activity.
Synergies
- Organic acids (e.g., citric acid) for enhanced stability and antioxidative activity
Safety
Safety Profile
Sambucus Nigra Extract is generally well-tolerated for topical application, posing minimal risk of irritation. However, individuals with sensitive skin or known botanical allergies are advised to perform a patch test. The FDA lists 'ELDER FLOWERS, EXTRACT (SAMBUCUS CANADENSIS L. OR SAMBUCUS NIGRA L.)' as a food additive (21 CFR 182.206). It is noted by EWG that for EWG VERIFIED™ products, Sambucus Nigra Fruit Extract is 'Restricted' without adequate substantiation, suggesting a higher bar for 'verified' products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sambucus Nigra Extract is a valuable, multifaceted botanical ingredient offering significant antioxidant, anti-inflammatory, and hydrating benefits for a wide range of skin types, supported by in vitro efficacy data across various concentrations.
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References
Sources