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Moumoujus

CITRUS TANKAN FRUIT WATER.

Valuable / HUMECTANT

Derived from the Citrus tankan fruit, this aqueous solution functions as a natural humectant and skin conditioning agent. It actively supports skin hydration, minimizes trans-epidermal water loss, and provides antioxidant protection through its rich content of flavonoids, vitamin C, and folic acid.

Summary

Humectant Antioxidant Skin-Conditioning Anti-inflammatory Skin Whitening

Science

Mechanism of Action

CITRUS TANKAN FRUIT WATER enhances skin moisturization by facilitating the absorption of water into the stratum corneum and reducing its loss from the epidermis. Its efficacy is attributed to beneficial constituents such as flavonoids (including polymethoxyflavonoids like nobiletin and tangeretin, found in related species), terpenes, linalool, vitamin C, and folic acid. These components collectively offer antioxidant properties, contribute to anti-inflammatory responses, and may help mitigate UV-induced inflammation and the activity of matrix metalloproteinases.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

As an aqueous solution, CITRUS TANKAN FRUIT WATER is inherently water-soluble. Optimal stability for formulated products incorporating this ingredient is typically maintained within a pH range of 4.0 to 7.0.

Conflicts

  • High concentrations of furocoumarins, specifically 5-methoxypsoralen (5-MOP), within the ingredient can induce phototoxicity. Leave-on formulations must therefore be strictly controlled to contain no more than 0.0015% (15 ppm) of 5-MOP.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that citrus fruit-derived ingredients, including Citrus depressa Fruit Water (a closely related form), are safe for use in both rinse-off and leave-on cosmetic products when formulated to be non-sensitizing and non-irritating. A critical restriction for leave-on products is the maximum allowable level of 5-methoxypsoralen (5-MOP) at 0.0015% (15 ppm) to prevent phototoxic reactions. The U.S. Food and Drug Administration (FDA) generally recognizes citrus fruits as safe (GRAS) for direct food substances.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

CITRUS TANKAN FRUIT WATER is a valuable hydrating and antioxidant ingredient, suitable for a wide range of skin types, provided its 5-MOP content is carefully managed in leave-on formulations to ensure safety.

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