Science
Mechanism of Action
This extract modulates several biological pathways to promote skin health. It dampens pro-inflammatory cytokine activity (e.g., IL-6, TNF-α) by quercetin's action on NF-κB pathways and oleanolic acid's COX-inhibitory effects. Rich in quercetin and kaempferol, it delivers antioxidant defense by neutralizing free radicals. The extract also suppresses TNF-α/IFN-γ-induced TARC mRNA levels through inhibition of NF-κB and STAT1 activation in keratinocytes. It exhibits antimicrobial and astringent properties, helping to tighten skin, manage excess oil, and alleviate acne-associated inflammation. Furthermore, it functions as a skin conditioning agent and humectant, promoting hydration and softness. In vitro studies suggest potential tyrosinase inhibitory activity for brightening effects, and collagenase/elastase inhibition for anti-wrinkle benefits.
Research
Clinical Evidence
Medium confidence2%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Ethanol extracts exhibit high stability. Their antimicrobial activity generally remains unaffected across a pH range of 2-10, with the exception of specific efficacy against B. subtilis.
Safety
Safety Profile
The ingredient has not been reviewed by the CIR or SCCS. Safety was confirmed in mice studies without toxicity to normal macrophages, but human clinical trial data is limited. A patch test is recommended for individuals with sensitive skin. High topical doses are rarely linked to mild gastrointestinal upset or hypotension, effects typically associated with internal consumption. Pregnant or nursing individuals are advised to avoid high-dose extracts (>500 mg/day internally) until more data becomes available, suggesting a cautious approach for topical use as well. Potential interactions with blood thinners are noted for internal use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Orostachys Japonica Extract is a valuable botanical ingredient demonstrating significant potential for anti-inflammatory, antioxidant, and skin-conditioning benefits, although further comprehensive human clinical data would enhance its profile.
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References
Sources