Science
Mechanism of Action
Tithonia diversifolia flower extract demonstrates a multifaceted action profile beneficial for skin. It acts as a potent antioxidant, neutralizing free radicals through its rich content of phenolic compounds, tannins, and flavonoids. The extract also possesses anti-inflammatory properties, working to reduce inflammation by inhibiting the production of key inflammatory mediators like cytokines and nitric oxide, and by impairing leukocyte migration to inflamed tissues. These combined actions contribute to its role in skin conditioning and support healthy skin function. General extracts from the plant have also exhibited antimicrobial activity.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 An in vitro study determined that a methanol extract of Tithonia diversifolia flower exhibits significant antioxidant scavenging activity, with an IC50 of 121.7 µg/ml.
- 02 Testing on HaCaT cells demonstrated that an extract derived from Tithonia diversifolia dried flowers showed no cytotoxic effects at a concentration of 0.1 mg/mL over a 24-hour exposure period.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The pH of an extract from dried Tithonia diversifolia flowers was measured at 5.88 ± 0.03. While specific optimal pH ranges for the flower extract's stability are not definitively established, bioactive compounds from T. diversifolia leaves have shown significant release at pH 2.2 and 7.4. Microencapsulation techniques are being explored for enhanced stability and controlled release, which may be applicable to flower extracts.
Safety
Safety Profile
The Tithonia diversifolia plant in general should be handled with caution due to potential toxicity, with cytotoxicity observed at certain concentrations in some studies. However, an in vitro study specifically on a dried flower extract at 0.1 mg/mL demonstrated no cytotoxic effects on HaCaT cells over 24 hours, suggesting a potentially favorable safety profile at this concentration for topical use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Tithonia diversifolia flower extract shows promising antioxidant and anti-inflammatory properties in preliminary in vitro studies, but more targeted topical research on human skin is needed to fully establish its clinical efficacy and optimal application.
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References
Sources