Science
Mechanism of Action
This extract functions as a powerful antioxidant by scavenging free radicals through its high content of phenolic compounds and flavonoids, mitigating oxidative stress. It demonstrates significant antimicrobial efficacy, notably inhibiting the growth of Cutibacterium acnes, Staphylococcus aureus, and Pseudomonas aeruginosa. The extract specifically targets C. acnes virulence by inhibiting lipase activity and preventing biofilm formation. Furthermore, it exerts anti-inflammatory and astringent effects, and has shown promise in inhibiting key skin enzymes like tyrosinase and elastase, suggesting roles in collagen preservation and melanin regulation.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
While formal CIR, SCCS, or FDA safety statuses are unavailable, generalized 'Quercus salicina extract' has shown potential for low-level cytotoxicity as a food ingredient. For topical applications, stringent control over residual extraction solvents (e.g., methanol, ethyl acetate, n-butanol, n-hexane) is critical to ensure product safety.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Quercus Salicina Stem Extract is a valuable active for precision skincare, particularly for acne-prone skin, offering strong antimicrobial and antioxidant benefits supported by robust in vitro data, though direct human clinical trials for the full extract are yet to be fully documented.
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References
Sources