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Moumoujus

CERCIS CHINENSIS FLOWER/LEAF/STEM EXTRACT.

Valuable / ANTIOXIDANT, HUMECTANT, SKIN CONDITIONING

A multifunctional botanical extract derived from the Chinese Redbud, prized in traditional Eastern medicine and modern precision skincare for its high concentration of bio-active polyphenols. It provides a dual-action approach to skin health by neutralizing oxidative stress while simultaneously inhibiting the enzymatic pathways responsible for hyperpigmentation.

Summary

Antioxidant Tyrosinase Inhibitor Humectant Skin Conditioning Agent

Science

Mechanism of Action

This extract operates through three primary biological pathways: 1) It suppresses tyrosinase activity via flavonoids like myricitrin and quercitrin, effectively slowing melanin synthesis. 2) Anthocyanins, specifically cyanidin 3-glucoside, act as potent scavengers of reactive oxygen species (ROS) to prevent lipid peroxidation. 3) Complex soluble carbohydrates and proteins function as natural humectants, reinforcing the skin's moisture barrier and improving surface texture.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–2%
Optimal

1%

Key findings

  1. 01 In vitro analysis at 1.0 mg/mL demonstrated a 92.74% inhibition of DPPH free radicals and a 41.90% inhibition of tyrosinase activity.
  2. 02 Studies on alcoholic leaf/stem extracts confirmed significant scavenging of lipid peroxidation induced by Fe2+ ions.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.1%
Red flag below
0.05%

As a botanical extract, it is frequently used at 'claim levels' (below 0.05%) in mass-market products. At Moumoujus, we consider concentrations below 0.1% to be insufficient for achieving the 41.9% tyrosinase inhibition threshold observed in clinical data.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6
0 7 14

Stability

Highly sensitive to alkaline environments and UV exposure. Stability is maximized in slightly acidic formulations (pH 4.0-5.0) to preserve the integrity of its anthocyanin content.

Synergies

  • L-Ascorbic Acid
  • Niacinamide
  • Hyaluronic Acid

Conflicts

  • Strong oxidizing agents
  • Formulations with pH > 7.0
  • High-heat processing

Safety

Safety Profile

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

While not yet formally reviewed by the CIR, it is globally recognized in the EU CosIng database and has a history of safe use in prestige East Asian skincare formulations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An excellent botanical multi-tasker that provides measurable brightening and antioxidant protection when formulated at active concentrations.

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