Science
Mechanism of Action
This extract operates through a precise blend of active compounds, including flavonoids, phenolic acids, and ellagitannins such as oenothein B. Its anti-inflammatory action stems from the inhibition of cyclooxygenases (COX-1, COX-2) and lipoxygenase enzymes, effectively reducing redness and discomfort. As a free radical scavenger, it offers robust antioxidant protection against oxidative damage. Furthermore, it demonstrates antimicrobial efficacy against common skin bacteria like Propionibacterium Acnes and targets the 5-alpha reductase enzyme to regulate sebum secretion, addressing oiliness and hyperandrogen effects. Preliminary data also suggest potential roles in promoting wound healing and combating signs of aging by inhibiting hyaluronidase and collagenase.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Inhibited PGE2 secretion (a key inflammatory mediator) in vitro.
- 02 Showed strong antimicrobial effects against various bacteria and fungi, including Staphylococcus aureus and Pseudomonas aeruginosa, in vitro.
- 03 Exhibited significant antioxidant properties with 81-92% inhibition of DPPH absorbance in vitro.
- 04 Inhibited 50% of post-proline-specific peptidases activity in vitro, suggesting anti-aging potential.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Topical compositions containing Epilobium extracts generally show stability within a pH range of 3 to 10, with preferred formulation ranges between 4 and 8, and optimally 4 to 7.5 (e.g., 5 to 6.5). The extract itself demonstrates stability in acidic conditions, having been acidified to pH 3.0 during polyphenol extraction.
Safety
Safety Profile
Formal safety assessments by CIR, SCCS, or FDA are not available for Epilobium Parviflorum Leaf/Stem Extract. However, extracts from the Epilobium genus are broadly recognized as non-toxic. Studies involving related species, such as Epilobium angustifolium, indicated no skin irritancy at concentrations reaching 5% in patch tests. Furthermore, repeated intragastric administration of hydro-alcoholic extracts, including Epilobium parviflorum, in rats showed no signs of toxicity across major organs.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Epilobium Parviflorum Leaf/Stem Extract is a valuable botanical ingredient offering a broad spectrum of in vitro benefits, including robust antioxidant, anti-inflammatory, and antimicrobial actions, making it particularly beneficial for supporting skin balance and health.
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