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Moumoujus

CITRUS TUMIDA PEEL EXTRACT.

Valuable / HUMECTANT, SKIN CONDITIONING

Citrus Tumida Peel Extract is a multifaceted botanical ingredient, celebrated for its potent antioxidant and anti-inflammatory capabilities. Beyond defending skin from oxidative stress and calming inflammation, it also delivers valuable skin conditioning and humectant benefits.

Summary

Antioxidant Anti-inflammatory Skin Conditioning Humectant Astringent Skin Brightening Antimicrobial

Science

Mechanism of Action

This extract operates primarily by leveraging its rich flavonoid content, which actively scavenges free radicals, thereby protecting skin cells from oxidative damage. It also demonstrates anti-inflammatory action through the potential reduction of inflammatory markers such as IL-6 and TNF-α. Furthermore, it enhances skin hydration and suppleness due to its humectant and conditioning properties, with broader citrus peel research suggesting contributions to skin brightening, sebum regulation, and antimicrobial effects.

Research

Clinical Evidence

Medium confidence
Effective range ≥2%
Optimal

2%

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Bioactive components, particularly flavonoids within the extract, often present low solubility. However, this can be significantly enhanced in polar solvents such as ethanol and methanol, or by specific aqueous conditions like 0.5% NaOH, or through encapsulation. Consideration of thermal stability is advised during high-temperature processing steps to maintain ingredient integrity.

Conflicts

  • Ingredients known to increase skin sensitization or irritation, especially high concentrations of compounds like limonene, citral, or furocoumarins.
  • High concentrations of the phototoxic compound 5-methoxypsoralen (5-MOP) in leave-on formulations, which must not exceed 0.0015% (15 ppm).

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has determined that Citrus peel-derived ingredients are safe for cosmetic application, provided they are formulated to be non-sensitizing and non-irritating. A critical restriction for leave-on products mandates that the concentration of 5-methoxypsoralen (5-MOP), a phototoxic furocoumarin, must not exceed 0.0015% (15 ppm). Furthermore, the U.S. FDA recognizes certain Citrus peels and their natural extracts as Generally Recognized As Safe (GRAS) for food use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Citrus Tumida Peel Extract stands as a valuable active ingredient, delivering significant antioxidant, anti-inflammatory, and conditioning benefits, provided rigorous formulation controls are exercised to adhere to safety restrictions regarding phototoxic compounds.

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