Science
Mechanism of Action
Asarum Heterotropoides Extract operates through several observed mechanisms beneficial to skin health. It demonstrates anti-inflammatory action by modulating inflammatory pathways, as evidenced in animal models. Its potent antioxidant capacity stems from compounds that actively scavenge free radicals, thereby protecting skin cells from oxidative damage. The extract also possesses antimicrobial and antibacterial effects, which can mitigate issues related to acne-causing bacteria and malodor. Furthermore, it may support the skin barrier, improve moisture retention, and contribute to anti-aging by promoting cellular health and potentially collagen synthesis.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Ethanol extracts (95% and 50%) displayed significant anti-inflammatory effects in a xylene-induced mice ear edema test, achieving 61.86% and 52.56% inhibition rates, respectively, at 0.2 g/kg.
- 02 Both essential oil and ethanol extract demonstrated a dose-dependent reduction in swelling and increased inhibition of acetic acid writhing in mice, indicative of anti-inflammatory and analgesic properties.
- 03 Ethanol-extracted oil exhibited strong antioxidant activity, showing 91% ± 2% ABTS radical scavenging and 89% ± 2% DPPH activity.
- 04 Two isolated compounds from A. heterotropoides significantly inhibited hypoxic gas-induced HIF-1α transcriptional activity by 92.5% and 94.6%, with ED50 values of 7.6 µM and 8.1 µM, respectively.
- 05 A water extract demonstrated anti-Human papillomavirus activity in vitro at a concentration of 0.4 g/ml.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The extract exhibits chemical stability under standard ambient conditions at room temperature. For optimal preservation, it should be stored tightly closed, ideally at -20 °C upon receipt, and utilized promptly after opening.
Safety
Safety Profile
ASARUM HETEROTROPOIDES EXTRACT lacks official safety review by regulatory bodies such as CIR or SCCS. A critical concern is the known presence of aristolochic acids in some Asarum species, including Asari Radix et Rhizoma (which encompasses A. heterotropoides). These compounds are classified as nephrotoxic and carcinogenic. While some studies on a decoction extract of Asarum heterotropoides roots showed no genotoxicity or adverse effects in 13-week repeated-dose toxicity tests at high doses (exceeding 5000 mg/kg), the general identification of aristolochic acids within this botanical group necessitates extreme caution for cosmetic use due to severe health risks.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite exhibiting promising in vitro and in vivo biological activities, the confirmed presence of nephrotoxic and carcinogenic aristolochic acids in Asarum species, coupled with a lack of comprehensive safety review for topical applications, renders this ingredient unsuitable for precision skincare formulations.
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References
Sources