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Moumoujus

EUCALYPTUS RADIATA LEAF EXTRACT.

Valuable CAS 92201-64-4 (generic) / SKIN CONDITIONING - MISCELLANEOUS

Eucalyptus Radiata Leaf Extract, derived from the 'narrow-leaved peppermint' eucalyptus, is a multi-functional ingredient prized for its clarifying and balancing properties. It offers a fresh aroma while actively contributing to clearer, more comfortable skin by targeting blemishes and reducing discomfort.

Summary

Antibacterial Anti-inflammatory Oil-regulating Invigorating Soothing Antioxidant (general eucalyptus oil studies)

Science

Mechanism of Action

This extract, primarily utilized as an essential oil, exerts its benefits through a combination of antiseptic, anti-inflammatory, and invigorating actions. Its natural antibacterial capacity helps to cleanse pores, mitigate blemishes, and clarify the complexion. The primary active component, 1,8-cineole (eucalyptol), contributes significantly to its characteristic camphoraceous scent and robust antibacterial efficacy. Research suggests it may also help to regulate sebum production, soothe irritation, calm skin discomfort, reduce redness, and potentially increase ceramide production for enhanced moisturization. Furthermore, general lab studies on eucalyptus oil indicate potential antioxidant protection against environmental stressors and UVB-induced collagen degradation.

Research

Clinical Evidence

Medium confidence
Effective range 0.19–300%
Optimal

N/A

Key findings

  1. 01 Demonstrated significant antimicrobial activity against various bacterial strains, including Escherichia coli (0.5-1.0 mg/mL and 8.75-300 mg/mL), Streptococci (0.19-2.00 mg/mL), Lactobacillus acidophilus (0.19-1.75 mg/mL), Staphylococcus aureus, Acinetobacter baumanni, Klebsiella pneumonia, and Exiguobacterium aquaticum.

Transparency

Dusting Analysis

Not commonly dusted

Data regarding cosmetic 'dusting' and associated thresholds for Eucalyptus Radiata Leaf Extract are not available within the provided research.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Typically extracted as an essential oil via steam distillation, ensuring its stability in this form.

Conflicts

  • High concentrations (requires significant dilution for safe topical application)
  • Alcohol-based products (may lead to excessive skin dryness)

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

Eucalyptus Radiata Leaf Extract (as essential oil) is generally considered less irritating than Eucalyptus globulus, making it potentially suitable for sensitive skin when used in low dilutions. However, proper dilution is critical due to its potential for irritation at higher concentrations. While the CIR Expert Panel has not specifically reviewed E. radiata, it deemed E. globulus-derived ingredients safe in cosmetics when formulated to be non-sensitizing, with a maximum leave-on concentration of 0.4%. Eucalyptol (1,8-cineole), a major component in E. radiata essential oil (up to 84%), was identified as a sensitizer at a high concentration (65.90%) in a specific test, indicating the need for careful formulation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Eucalyptus Radiata Leaf Extract is a valuable asset for clarifying and balancing formulations, offering proven antibacterial and soothing properties, provided it is properly diluted to manage its moderate sensitization risk.

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