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Moumoujus

BROUSSONETIA PAPYRIFERA STEM EXTRACT.

Valuable / ANTIOXIDANT, SKIN CONDITIONING, SKIN PROTECTING

A potent botanical extract derived from paper mulberry stems that delivers advanced tyrosinase inhibition for targeted hyperpigmentation treatment. This multifunctional ingredient combines skin-brightening efficacy with antioxidant protection through its rich concentration of isoprenylated flavonoids and Kazinol F compounds.

Summary

antioxidant skin conditioning skin protecting tyrosinase inhibitor

Science

Mechanism of Action

Inhibits tyrosinase enzyme activity to block the conversion of L-DOPA to melanin, while isoprenylated flavonoids and Kazinol F provide DPPH radical scavenging and suppress proinflammatory mediators for comprehensive skin protection

Research

Clinical Evidence

High confidence
Effective range 0.1–5%
Optimal

0.5%

Key findings

  1. 01 6-month stability study with 30 volunteers showed no irritation at 0.5% concentration with maintained antityrosinase activity
  2. 02 Concentrations of 0.1-1.0% demonstrated superior tyrosinase inhibition compared to kojic acid and hydroquinone
  3. 03 Dosages of 3.0-5.0% achieved significant depigmentation of age spots and freckles in topical formulations

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.1%
Red flag below
0.05%

Clinical studies demonstrate efficacy at concentrations as low as 0.1%, making dusting below this threshold ineffective for meaningful skin benefits

The Formula

Formulation

Solubility
Both
Optimal pH 5 – 7.5
0 7 14

Stability

Enhanced stability in oil-in-water microemulsion systems; maintains activity for 2+ months in ethanol-based solutions at room temperature

Synergies

  • microemulsion delivery systems
  • ethanol-based carriers

Conflicts

  • strong oxidizing agents
  • formulations below pH 4.0

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
5%
Sensitization risk Low

EU Cosmile recognized for cosmetic use; patch testing shows no primary irritation or sensitization; topical stem extracts avoid calcium oxalate concerns present in other plant parts

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A well-researched botanical brightening agent that outperforms traditional alternatives with excellent safety and universal skin compatibility.

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References

Sources