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Moumoujus

EUCALYPTUS POLYBRACTEA BRANCH/LEAF OIL.

Questionable / FRAGRANCE, SKIN CONDITIONING - MISCELLANEOUS

Eucalyptus polybractea Branch/Leaf Oil is a potent botanical extract recognized for its significant antimicrobial and skin conditioning properties. Rich in 1,8-cineole, it actively disrupts microbial membranes, making it effective against various pathogens, while also enhancing skin appearance by reducing dryness and flaking. It offers topical benefits such as deodorizing, soothing, and promoting skin healing and purification.

Summary

perfuming skin conditioning antimicrobial deodorizing soothing wound healing purifying

Science

Mechanism of Action

This essential oil exerts its powerful antimicrobial effects against bacteria, fungi, and viruses primarily through its high concentration of 1,8-cineole. It functions by disrupting microbial cell membranes and causing metabolic damage, leading to cell death. On the skin, it acts as a conditioning agent, improving the feel and appearance of dry or damaged skin. Additionally, it provides masking properties, helps to deodorize body odors, soothes inflammation, aids in wound healing by stimulating skin regeneration, moisturizes chapped skin, and contributes to skin purification by assisting in the removal of dead cells, oils, and bacteria.

Research

Clinical Evidence

Medium confidence
Effective range 0.25–0.5%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

While essential oils can sometimes be included for sensory appeal alone, the provided research indicates specific concentrations (0.25-0.5% v/v) at which this oil demonstrates a strong antibacterial effect. This suggests it can be utilized for active benefits beyond mere 'dusting,' although careful dosing is crucial to balance efficacy with potential sensory and irritation concerns.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As a lipophilic essential oil, it is oil-soluble. Its inclusion in formulations requires careful consideration of dosage, as high concentrations can impact sensory characteristics. Synergistic blending with other essential oils may allow for lower, yet still effective, concentrations.

Synergies

  • other essential oils (for enhanced efficacy at lower individual doses)

Conflicts

  • avoid contact with eyes
  • high concentrations may cause skin irritation/sensitization
  • not for internal use

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk High

The high concentration of 1,8-cineole (typically 85-95%, often >90%) in this oil poses a significant risk of skin sensitization and irritation, particularly for individuals with sensitive skin. Dilution is strongly recommended prior to use, along with a skin patch test. It is strictly for external use and considered toxic if ingested. This ingredient is compliant with EU Cosmetics Regulation regarding nanomaterials and prohibitions on carcinogenic, mutagenic, or reprotoxic (CMR) category 1A or 1B substances.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While offering notable antimicrobial and skin conditioning benefits, its high concentration of 1,8-cineole presents a high risk of skin sensitization and irritation, making its inclusion questionable for sensitive formulations without extremely careful management and dilution.

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