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Moumoujus

MURRAYA KOENIGII LEAF OIL.

Valuable / PRESERVATIVE

Murraya Koenigii Leaf Oil, extracted from the curry tree, is a dynamic botanical ingredient renowned for its multifaceted benefits in skincare. It provides robust antioxidant protection against environmental stressors, exhibits notable anti-inflammatory properties, and offers broad-spectrum antimicrobial action. This precision ingredient actively supports skin repair and contributes to maintaining a balanced, healthy complexion.

Summary

Antioxidant Anti-inflammatory Antibacterial Soothing Skin Repair Perfuming

Science

Mechanism of Action

This essential oil exerts its anti-inflammatory effects through the inhibition of pro-inflammatory cytokines and enzymes like COX-2 and iNOS. Its potent antioxidant capacity stems from its ability to scavenge superoxide and hydroxyl radicals, inhibit xanthine oxidase activity, and prevent lipid peroxidation. Furthermore, it possesses antibacterial, antifungal, and anticarcinogenic properties, aiding in skin healing, mitigating damage from pollution and environmental stress, and reducing the visibility of scars and blemishes.

Research

Clinical Evidence

Medium confidence
Effective range ≥0.005%
Optimal

N/A

Key findings

  1. 01 Demonstrated superior inhibition of lipid peroxidation when compared to 0.01% BHT, indicating its robust antioxidant capabilities.
  2. 02 The essential oil exhibited a significant antioxidant effect with an IC50 (concentration for 50% inhibition) of 0.29 µg/mL. Linalool, a primary component (at 0.6 μg/mL), achieved 91.20% inhibition of hydroxyl radicals, while the essential oil itself showed 87.27% inhibition with increasing concentration.
  3. 03 Effectively inhibited the proliferation of various bacteria, including Staphylococcus aureus, Escherichia coli, and Salmonella typhi.
  4. 04 Murraya koenigii oleoresin exhibited 83.2% antioxidant activity.

Transparency

Dusting Analysis

Not commonly dusted

Murraya Koenigii Leaf Oil functions as a multi-active ingredient, valued for its specific biological effects rather than merely contributing to the bulk or sensory profile of a formulation.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an essential oil, it consists of volatile compounds. No specific optimal pH range for its stability was identified in the research. It is crucial to dilute this oil with a suitable carrier oil prior to topical application.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
2%
Sensitization risk Low

The RIFM Fragrance Material Safety Assessment recommends usage levels for fragrance concentrates up to 2.0000%. It is important to note the presence of farnesol (found at <0.40% max) and geraniol (found at <0.60% max), which are restricted components due to their potential for sensitization. Despite this, a face wash formulation containing curry leaf was found to be safe and non-irritant. Nature In Bottle certifies this oil as suitable for cosmetic applications and confirms its compliance with EU Regulation (EC) No 1223/2009 regarding prohibited cosmetic substances.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Murraya Koenigii Leaf Oil is a valuable ingredient, delivering significant antioxidant, anti-inflammatory, and antimicrobial benefits suitable for all skin types, with a low risk of irritation and comedogenicity within recommended usage concentrations.

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