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LINDERA UMBELLATA LEAF/TWIG OIL.

Valuable / ANTIMICROBIAL, FRAGRANCE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Lindera Umbellata Leaf/Twig Oil, also known as Kuromoji essential oil, is a natural extract exhibiting significant anti-inflammatory potential through cellular pathway modulation. Its primary constituents also offer broad-spectrum antimicrobial properties, making it a multifaceted ingredient for advanced skincare formulations.

Anti-inflammatory Antimicrobial Antioxidant

Science

This essential oil primarily functions as an anti-inflammatory agent by suppressing the production of pro-inflammatory cytokines, including nitric oxide (NO), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α), in cellular models. It achieves this by inhibiting the mRNA expression and protein levels of inducible NO synthase (iNOS) and cyclooxygenase-2 (COX-2). A major constituent, Linalool, also contributes antibacterial, antiviral, and antifungal benefits.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Essential oils are susceptible to oxidation when exposed to air or high temperatures. Optimal storage involves a dark, cool environment. Non-citrus essential oils typically maintain efficacy for approximately one year after opening.

Conflicts

  • Petroleum products (e.g., plastic containers, which can degrade).
  • Direct application to skin without adequate dilution.
  • High temperatures (accelerates oxidation and degradation).
  • Exposure to air (promotes oxidation).

Safety

CIR Status
Not reviewed
Sensitization risk Moderate

No official regulatory status from CIR, SCCS, or FDA has been established. As an essential oil, direct application to the skin is not recommended. For topical use, it must be diluted, typically to a concentration of 1-2% in a carrier oil, to mitigate the risk of irritation or allergic reactions. While Linalool, a primary component, has shown no irritation when solubilized in hydrosol, the complete essential oil requires careful handling.


Your Skin

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

Our Assessment

Valuable

This ingredient demonstrates promising anti-inflammatory properties in vitro by modulating key inflammatory pathways, suggesting its value for targeted soothing formulations, pending further human clinical validation and proper dilution.


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