Science
Mechanism of Action
This extract exerts its effects primarily through its diverse phytochemical profile, comprising essential oils, glycosides, flavonoids, alkaloids, and fatty acids. Flavonoids and phenolic compounds are key contributors to its observed antioxidant and anti-inflammatory activities, while other constituents provide antimicrobial properties. On the skin, its fundamental role is recognized as conditioning, with some proposals suggesting anti-aging and skin whitening potential.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
No specific optimal pH range for the stability of the extract in cosmetic formulations has been identified. Research on green synthesis of silver nanoparticles involving the extract noted that increasing pH values influenced nanoparticle properties, but this does not directly address the extract's stability.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not provided a specific assessment for Citrullus colocynthis fruit extract. The EWG classifies this ingredient as 'RESTRICTED' and indicates 'No Data' for critical safety concerns such as skin allergies/irritation, developmental/reproductive toxicity, and cancer. While in vitro studies demonstrated minimal cytotoxicity to normal cells (cell viability consistently above 87%) at concentrations up to 100 μL, general dermal toxicity is noted as 'Not determined' by other sources. It is crucial to note that high oral doses (exceeding 100 mg/kg in laboratory animals and 400 mg/kg in humans) are associated with severe internal organ damage and gastrointestinal irritations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite promising in vitro antioxidant and antimicrobial activities, the absence of comprehensive topical safety data and direct clinical efficacy for cosmetic skin benefits leads to an 'insufficient-data' verdict for precise formulation.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources