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Moumoujus

CITRUS HYSTRIX LEAF WATER.

Valuable / ANTI-SEBUM, ANTIOXIDANT, ASTRINGENT, FRAGRANCE, SKIN CONDITIONING

A botanical hydrolat derived from the kaffir lime tree, Citrus Hystrix Leaf Water offers multi-faceted benefits for skin health. Rich in beneficial phytochemicals, it functions as a skin conditioning agent, providing antioxidant and anti-inflammatory properties. Studies also indicate its potential for antifungal activity, making it a versatile ingredient for various skin concerns.

Summary

Skin conditioning Antioxidant Antifungal Anti-inflammatory

Science

Mechanism of Action

This ingredient operates through its diverse phytochemical composition, including flavonoids, alkaloids, terpenoids, and phenols. It demonstrates potent antioxidant action by efficiently scavenging nitric oxide (NO) in human keratinocytes and fibroblasts, reducing oxidative stress. Furthermore, it exhibits anti-inflammatory effects and has shown antifungal efficacy against fungi like Pityrosporum ovale, suggesting a broad spectrum of dermal activity.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Exhibited nitric oxide (NO) scavenging capacity at 4.46 mg/mL (IC50) in human keratinocytes and fibroblasts during an in vitro antioxidant study.
  2. 02 Demonstrated antifungal effectiveness against Pityrosporum ovale, with the highest inhibition zone diameter (16.20 mm) observed at a 75% concentration in a laboratory experiment. Effectiveness was also noted at 25% and 50%.
  3. 03 A kaffir lime leaf extract (distinct but related to leaf water) showed 50% inhibition of xanthine oxidase enzyme activity (IC50: 285.82 ppm) in an in vitro study, suggesting anti-inflammatory potential.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 6.5
0 7 14

Stability

While specific cosmetic formulation stability data is limited, the kaffir lime tree thrives in a slightly acidic pH range of 5.5-6.5, which may indicate optimal stability for the ingredient's aqueous components within this range.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed 'Citrus Hystrix Leaf Water.' While 'Citrus Hystrix Leaf Oil' was included in a use survey, no data was reported. A general CIR report on citrus flower- and leaf-derived ingredients suggests safety when formulated to be non-irritating and non-sensitizing. The FDA generally recognizes some Citrus flowers and leaves as GRAS for food, but this doesn't directly address this specific ingredient in cosmetics.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Citrus Hystrix Leaf Water is a valuable ingredient, offering antioxidant, anti-inflammatory, and antifungal properties with low irritancy, though comprehensive cosmetic safety review data specific to 'Leaf Water' is currently insufficient.

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