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Moumoujus

CITRUS DEPRESSA PEEL POWDER.

Optional / SKIN CONDITIONING

Citrus Depressa Peel Powder is a natural ingredient derived from the peel of the Citrus depressa fruit, primarily valued as a skin conditioning agent. It contains beneficial polymethoxyflavonoids (PMFs) like nobiletin and tangeretin, which contribute to its potential skincare properties.

Summary

Skin conditioning Skin brightening (potential) Anti-inflammatory (potential)

Science

Mechanism of Action

This ingredient functions primarily as a skin conditioning agent. Its therapeutic potential is linked to its polymethoxyflavonoid (PMF) content, including nobiletin and tangeretin. While research highlights these compounds in extracts for their ability to promote skin brightening, inhibit matrix metalloproteinases (MMP-1, MMP-9), and reduce UV-induced inflammation (PGE2), these bioactive components are inherently present within the peel powder, suggesting similar mechanistic pathways.

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

Optimal stability for formulations containing Citrus depressa peel powder is observed within a pH range of 4.0 to 7.0, consistent with general citrus peel extracts.

Conflicts

  • High concentrations of phototoxic furocoumarins, such as 5-methoxypsoralen or 7-methoxycoumarin, must be avoided due to the risk of phototoxicity and irritation.
  • Elevated levels of constituents like limonene and citral can lead to skin sensitization or other adverse reactions.
  • Formulations must be rigorously developed to be non-sensitizing and non-irritating to prevent potential adverse skin reactions.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel deems citrus peel-derived ingredients, including Citrus Depressa Peel Powder, safe for cosmetic use in both rinse-off and leave-on products, provided they are formulated to be non-sensitizing and non-irritating. A critical restriction for leave-on applications is that the product must not exceed 0.0015% (15 ppm) 5-methoxypsoralen (5-MOP). European Union regulations further prohibit furocoumarins in cosmetics, except for natural essence content, and mandate levels below 1 mg/kg in sun protection and bronzing products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

Citrus Depressa Peel Powder offers potential skin conditioning and brightening benefits due to its PMF content, but requires meticulous formulation to comply with safety restrictions regarding phototoxic compounds and ensure non-irritancy.

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