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Moumoujus

4'-METHOXYCHALCONE.

Valuable CAS 959-23-9 / ANTIOXIDANT, BLEACHING, SKIN CONDITIONING

A naturally-derived chalcone compound sourced from citrus fruits and Piper longum that functions as a potent tyrosinase inhibitor for skin brightening applications. This oil-soluble antioxidant demonstrates dual-action benefits through melanogenesis suppression and PPARγ activation, making it valuable for addressing hyperpigmentation while supporting skin barrier function.

Summary

Antioxidant Skin brightening Skin conditioning Anti-inflammatory

Science

Mechanism of Action

Inhibits tyrosinase enzyme activity to prevent melanin synthesis while simultaneously activating PPARγ receptors to modulate inflammatory responses and promote healthy adipocyte differentiation. Additionally provides antioxidant protection and potential UVA filtering properties to combat photoaging damage.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–5%
Optimal

0.5%

Key findings

  1. 01 Significant melanogenesis inhibition in B16F10 melanoma cells with minimal cytotoxicity
  2. 02 Effective topical treatment for viral lesions with reduced inflammation and healing time

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.01%
Red flag below
0.001%

Effective concentrations require 0.1% minimum based on clinical data; concentrations below 0.01% likely represent cosmetic dusting with minimal therapeutic benefit

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 5
0 7 14

Stability

Requires organic solvents or medium-chain triglycerides for proper dissolution. Stable in nanoemulsion systems at pH 5.0 or below; higher pH levels compromise stability and efficacy.

Synergies

  • Medium-chain triglycerides
  • Ethanol-based delivery systems
  • Other tyrosinase inhibitors

Conflicts

  • Strong oxidizing agents
  • High pH formulations (>5.0)
  • Water-only systems without solubilizers

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

Classified as Skin and Eye Irritant Category 2 under GHS classification. In silico studies indicate potential for skin sensitization and phototoxicity at elevated concentrations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Promising multi-functional brightening agent with solid research backing, though moderate irritancy limits use to non-sensitive skin types.

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References

Sources