Science
Mechanism of Action
Cinchona Calisaya Extract functions by enhancing microcirculation, particularly beneficial for the scalp, which nourishes hair follicles and strengthens roots to reduce hair fall. Its active compounds, including quinoline alkaloids and tannins, also impart antioxidant, antimicrobial, and mild astringent qualities to the skin.
Research
Clinical Evidence
Low confidence20%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
An extract of Cinchona succirubra in a cream formulation at a pH of 6.48 exhibited good physical stability, suggesting a potential for Cinchona Calisaya Extract to maintain stability within a similar acidic to neutral pH range.
Safety
Safety Profile
The EWG Skin Deep database rates Cinchona Calisaya Extract as low for concerns regarding cancer, allergies, immunotoxicity, and developmental/reproductive toxicity, though it highlights limited data availability. The FDA lists 'Cinchona Bark, Yellow' as Generally Recognized As Safe (GRAS) for use as a flavoring in food. A 20% concentration of a related Cinchona succirubra extract was found non-irritant in an acute dermal irritation test on rabbits.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cinchona Calisaya Extract is an optional ingredient, primarily valued for its proven benefits in scalp and hair care, offering general skin conditioning, antioxidant, and antimicrobial properties for broader applications.
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References
Sources