Science
Mechanism of Action
This extract is anticipated to function similarly to Rosa davurica leaf and root extracts, demonstrating significant antioxidant, antiviral, and anti-inflammatory activities. It is hypothesized to inhibit skin photoaging by modulating key signaling pathways, including MAPK/AP-1, NF-κB, and Nrf2/HO-1, within UVB-irradiated human skin keratinocytes. Its action includes efficient scavenging of free radicals, dose-dependent reduction of reactive oxygen species (ROS) generation, and a decrease in UVB-induced matrix metalloproteinase-1 (MMP-1) expression, thereby preventing extracellular matrix (ECM) degradation. The extract may also enhance Nrf2/HO-1 signaling to bolster oxidative defense and activate transforming growth factor-beta (TGF-β) signaling to promote procollagen type I synthesis. Additionally, it could suppress inflammatory responses induced by *Propionibacterium acnes*.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has cited insufficient data for 'Rosa Centifolia Callus Culture Extract' (a related species) to determine its safety under cosmetic use conditions, requesting further information on manufacturing, composition, impurities, dermal toxicity, irritation, and sensitization. No specific safety assessments for 'ROSA DAVURICA CALLUS CULTURE EXTRACT' by CIR, SCCS, or FDA were identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
With compelling mechanistic data extrapolated from the parent plant and related callus extracts, this ingredient shows strong potential for anti-aging and skin protection, though specific clinical efficacy for the callus culture extract requires further dedicated investigation.
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