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Moumoujus

CHAMAECYPARIS OBTUSA LEAF/ROOT EXTRACT.

Valuable / SKIN CONDITIONING

A sophisticated botanical powerhouse derived from the Japanese Hinoki cypress, recognized for its dual-action ability to suppress inflammatory pathways and provide robust antioxidant defense. This extract is increasingly utilized in precision skincare for its clinical efficacy in managing acne-prone skin and preserving dermal structural proteins.

Summary

Antioxidant Soothing Antimicrobial Skin-conditioning Anti-inflammatory

Science

Mechanism of Action

This extract modulates the skin's biological response by inhibiting the JAK/STAT, NF-κB, and MAPK signaling cascades, effectively reducing the production of pro-inflammatory cytokines such as IL-6 and TNF-α. It further protects the extracellular matrix by neutralizing matrix metalloproteinases (MMP-1, MMP-3) to prevent collagen breakdown while simultaneously stimulating type I collagen synthesis and boosting superoxide dismutase (SOD-1) levels.

Research

Clinical Evidence

High confidence
Effective range 0.1–5%
Optimal

5%

Key findings

  1. 01 A clinical study demonstrated that a 5% fermented concentration reduced inflammatory acne lesions by 65.3% over 8 weeks, significantly outperforming tea tree oil.
  2. 02 In vivo testing at 3% concentration showed a marked promotion of hair growth by upregulating IGF-1 and VEGF expression.
  3. 03 Topical application between 0.1% and 5% is validated for daily antioxidant protection and reduction of nitric oxide production.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Many formulations include Hinoki extract at trace levels (<0.1%) for marketing purposes. To achieve the antimicrobial and anti-inflammatory results seen in clinical trials—specifically for acne reduction—concentrations between 3% and 5% are required.

The Formula

Formulation

Solubility
Both
Optimal pH 4 – 6.5
0 7 14

Stability

Active terpenes and hinokitiol are highly sensitive to thermal degradation and photo-oxidation; formulas should be stored below 40°C in airless, opaque packaging.

Synergies

  • Niacinamide (enhanced barrier repair)
  • Lactobacillus ferment (optimized anti-acne bioavailability)
  • Hyaluronic acid (improved delivery of water-soluble components)

Conflicts

  • Strong oxidizing agents
  • Highly alkaline environments (pH > 8.0)
  • Direct UV exposure

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
5%
Pregnancy
Safe
Sensitization risk Low

Despite the lack of a formal CIR review, it has an extensive history of safe use in Asian folk medicine and modern dermo-cosmetics with no significant reports of systemic toxicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An exceptional multi-corrective botanical that serves as a potent, low-irritancy alternative to tea tree oil for acne and inflammatory management.

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