Science
Mechanism of Action
This ingredient functions by delivering a spectrum of beneficial compounds, primarily polymethoxyflavonoids (PMFs) like nobiletin and tangeretin, along with Vitamin C and other phenolics, to the skin. These components are understood to exert antioxidant and anti-inflammatory effects. Mechanistically, they may help suppress matrix metalloproteinases (MMPs), mitigate UV-induced inflammation, and contribute to skin brightening, while also acting to reduce flakiness and enhance skin elasticity.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific topical clinical studies on 'CITRUS DEPRESSA FRUIT WATER' defining effective concentrations for its proposed benefits were identified. Therefore, a dusting threshold or red flag percentage cannot be established at this time. Its inclusion is generally for conditioning properties rather than concentrated active benefits.
The Formula
Formulation
Stability
Citrus Depressa Fruit Water is an aqueous solution derived from steam distillation. While the natural pH of Shekwasha fruit juice is acidic, ranging from approximately 2.24 to 3.98, a specific optimal pH range for stability in cosmetic formulations has not been explicitly defined.
Conflicts
- Must be meticulously formulated to ensure it is non-sensitizing and non-irritating.
- In leave-on products, the formulation must strictly contain no more than 0.0015% (15 ppm) of 5-methoxypsoralen (5-MOP) to prevent potential photosensitivity.
- For sun-protection and bronzing products intended for the EU market, furocoumarin content must be maintained below 1 mg/kg.
- Requires careful processing to remove furocoumarins, as their presence can lead to photosensitivity.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems citrus fruit-derived ingredients, including Citrus Depressa Fruit Water, safe for cosmetic use when formulated to be non-sensitizing and non-irritating. A critical restriction for leave-on products is a maximum 5-methoxypsoralen (5-MOP) content of 0.0015% (15 ppm) to mitigate photosensitivity risks. EU regulations further limit furocoumarin content to below 1 mg/kg in sun-protection and bronzing products. While no specific maximum concentration for Citrus Depressa Fruit Water itself is provided, adherence to these furocoumarin limits is paramount for safety.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Citrus Depressa Fruit Water is an optional ingredient, offering skin conditioning and potential antioxidant benefits, although specific clinical efficacy studies for the fruit water itself are currently lacking.
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References
Sources