Science
Mechanism of Action
The mechanism of Geum Rivale Extract on the skin is attributed to its diverse array of active compounds such as tannins, phenolic acids, triterpenes, and flavonoids. Its antioxidant activity stems from polyphenols, which effectively suppress oxidative stress and neutralize reactive oxygen species (ROS). Furthermore, the extract exhibits antimicrobial effects, particularly concentrated in its triterpene and flavonoid fractions, and has traditional applications rooted in its astringent and anti-inflammatory qualities.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
Effective concentrations for Geum Rivale Extract vary considerably depending on the targeted benefit. For pronounced antioxidant activity (based on in vitro studies of fractions), concentrations around 0.1% appear functionally active. However, antibacterial activity against specific strains has been observed at significantly lower Minimum Inhibitory Concentrations, ranging from 0.00156% to 0.00625% for different fractions. This wide range in effective concentrations for different benefits increases the risk of 'dusting' if the concentration used does not align with the desired primary efficacy.
The Formula
Formulation
Stability
Specific data on the optimal pH range for Geum Rivale Extract's stability in cosmetic formulations is currently unavailable. The source plant is known to adapt to a range of soil pH levels, from mildly acidic to mildly alkaline.
Safety
Safety Profile
Geum Rivale Extract has not undergone formal safety assessments by major regulatory bodies such as CIR, SCCS, or FDA, and there are no reported uses under FDA's Voluntary Cosmetics Reporting Program. While the whole plant is sometimes cited as having 'None known' hazards, this information does not directly apply to concentrated cosmetic extracts, leading to an unknown sensitization risk.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Geum Rivale Extract presents as a valuable botanical with promising in vitro evidence for antioxidant, anti-inflammatory, and antimicrobial benefits, though further human clinical studies and formal safety assessments are needed to fully establish its precise efficacy and safety profile in cosmetic applications.
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