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Moumoujus

CINNAMOMUM CAMPHORA LINALOOLIFERUM WOOD EXTRACT.

Questionable CAS 91745-89-0 / PERFUMING

This botanical extract, often recognized as Ho Wood essential oil, is characterized by its high concentration of linalool, delivering a multi-faceted approach to skin care. It demonstrates antimicrobial properties, actively targeting blemish-causing bacteria, while simultaneously providing anti-inflammatory benefits to soothe irritated skin. Beyond these, the extract acts as an astringent to refine skin texture and supports overall moisturization.

Summary

Anti-inflammatory Antimicrobial Astringent Moisturizing Skin Conditioning Perfuming

Science

Mechanism of Action

The primary mechanism of action is attributed to its major component, linalool (present at over 95%), which exhibits bactericidal activity against microorganisms such as *Staphylococcus aureus*, thereby helping to mitigate blemish development. It also offers anti-inflammatory effects to calm and soothe irritated skin and scalps. Furthermore, the extract functions as an astringent, contributing to pore tightening and skin texture refinement, and is reported to aid in moisturizing and re-nourishing the skin barrier.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

To preserve stability and minimize sensitization risk, it is critical to keep peroxide levels exceptionally low and to incorporate antioxidants, such as 0.1% BHT or alpha-tocopherol. Store in a cool, well-ventilated area, away from heat or ignition sources, and avoid contact with strong oxidizing agents.

Conflicts

  • strong oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
1%
Sensitization risk High

While the Cosmetic Ingredient Review (CIR) Expert Panel has not specifically assessed this extract, Ho Wood essential oil, rich in linalool, carries a significant potential for causing allergies and mild skin irritation. The International Fragrance Association (IFRA) identifies sensitization as a critical effect. For topical applications to be non-sensitizing, it is recommended to formulate at concentrations below 1%. To further prevent sensitization arising from oxidized linalool, peroxide levels must be kept to the lowest practical level (maximum 20 mmol/l in products), and antioxidants (e.g., 0.1% BHT or alpha-tocopherol) should be added during raw material production.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While offering diverse benefits like antimicrobial and anti-inflammatory properties for various skin types, this extract carries a significant risk of sensitization if not precisely formulated below 1% and stabilized with antioxidants, making its use questionable for precision formulations.

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