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CRYPTOMERIA JAPONICA WOOD OIL.

Valuable CAS 91771-60-7 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Commonly known as Japanese Cedar or Sugi oil, this aromatic wood extract serves as a multifunctional botanical for problematic complexions. It provides a specialized approach to skin health by combining potent antimicrobial action with deep-seated anti-inflammatory benefits.

Antimicrobial Anti-inflammatory Antioxidant Barrier Strengthening

Science

The oil utilizes a bio-active terpene profile to disrupt the proliferation of acne-triggering pathogens like P. acnes and S. epidermidis. Simultaneously, it modulates the skin's inflammatory response by inhibiting the synthesis of pro-inflammatory mediators, including nitric oxide (NO), TNF-α, and various interleukins (IL-1β, IL-6), effectively calming reactive tissue and reinforcing the epidermal barrier.


Research

Medium confidence
Effective range 0.016–1%
Optimal

0.5%

Key findings

  1. 01 In vitro analysis demonstrated excellent antibacterial activity against drug-resistant skin pathogens at concentrations as low as 0.16 µl/ml.
  2. 02 Research indicates a 52.24% reduction in TNF-α and a 27.10% reduction in IL-6 production when exposed to wood-derived volatile oils.
  3. 03 Studies on Azorean variants confirmed concentration-dependent antioxidant activity via DPPH and ABTS scavenging mechanisms.

Transparency

Commonly dusted
Min. effective
0.1%
Red flag below
0.05%

Because of its potent aromatic profile, it is frequently used at trace amounts (below 0.05%) for fragrance purposes rather than therapeutic efficacy. To achieve the documented anti-inflammatory and antibacterial results, concentrations should align closer to the studied bioactive ranges.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an essential oil, it is sensitive to oxidation; store in UV-protective packaging. Should be incorporated during the cool-down phase of formulation.

Synergies

  • Salicylic Acid
  • Niacinamide
  • Tea Tree Oil

Safety

CIR Status
Not reviewed
Sensitization risk Moderate

While generally safe in dilution, the presence of volatile compounds necessitates a patch test. Consult a physician during pregnancy due to the lack of specific safety data for this extract.


Your Skin

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

Our Assessment

Valuable

An excellent botanical intervention for oily and blemish-prone skin types requiring simultaneous pathogen control and inflammation reduction.


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