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Moumoujus

CAMELLIA SINENSIS MERISTEM CELL CULTURE EXTRACT.

Valuable / ANTIOXIDANT, SKIN CONDITIONING

A biotechnologically derived extract utilizing undifferentiated plant stem cells to deliver a stabilized, high-potency concentration of green tea polyphenols. This precision ingredient offers targeted cellular defense, neutralizing oxidative stress while supporting the structural integrity of the dermal matrix.

Summary

Antioxidant DNA Protection Anti-inflammatory MMP-Inhibitor Skin-conditioning

Science

Mechanism of Action

This extract utilizes totipotent meristematic cells to provide a dense concentration of catechins, specifically EGCG, which act as high-efficiency free radical scavengers. It protects the skin by inhibiting matrix metalloproteinases (MMPs) to prevent collagen breakdown and neutralizing UV-induced reactive oxygen species (ROS) to preserve cellular DNA integrity and reduce inflammatory signaling.

Research

Clinical Evidence

High confidence
Effective range 0.1–3%
Optimal

0.5%

Key findings

  1. 01 A 3.0% concentration significantly reduced malondialdehyde (oxidative stress marker) and accelerated tissue repair in skin recovery models.
  2. 02 Low-dose applications (0.1%–1.0%) demonstrated potent inhibition of UV-induced DNA fragmentation in both fibroblasts and keratinocytes.
  3. 03 In vivo testing at 0.5% showed sustained antioxidant protection lasting over 6 hours, significantly increasing total skin antioxidant capacity.

Transparency

Dusting Analysis

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

Due to its high cost and marketing appeal as a 'stem cell' ingredient, it is frequently included at trace levels (<0.05%) that fail to trigger the 0.1% threshold required for DNA protection or the 0.5% required for prolonged antioxidant activity.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 6
0 7 14

Stability

Highly prone to oxidation and light-induced degradation; catechins are most stable in slightly acidic environments. Requires opaque, airless packaging to maintain efficacy.

Synergies

  • Vitamin E
  • Chelating agents
  • L-Ascorbic Acid
  • Ferulic Acid

Conflicts

  • Alkaline environments (pH > 7.0)
  • Strong oxidizing agents
  • Unchelated metal ions

Safety

Safety Profile

CIR Status
Insufficient data
Max tested
1%
Pregnancy
Safe
Sensitization risk Low

While specifically classified as 'insufficient data' for the meristem culture by the CIR, it is widely regarded as safe in clinical applications and lacks the systemic toxicity concerns associated with more aggressive actives.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An elite, bio-engineered antioxidant that provides superior DNA protection and collagen preservation when formulated at a minimum threshold of 0.1% to 0.5%.

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References

Sources