White Cedar Oil (Thuja)

Thuja occidentalis (White Cedar) Essential Oil

Origin: Canada
Common Names: White Cedar, Northern White Cedar, Eastern Arborvitae
Plant Family: Cupressaceae
Extraction Method: Steam Distilled
Plant Part: Leaves and Twigs
INCI: Thuja occidentalis Leaf Oil

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Botanical Description:

Thuja occidentalis, commonly known as White Cedar or Eastern Arborvitae, is a coniferous tree native to northeastern North America. In Canada, it thrives in cool, moist climates, especially in boreal forests and wetlands. The tree has aromatic, scale-like leaves and produces small cones.

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Aroma Profile:

• Scent: Sharp, fresh, camphoraceous, and slightly woody

• Aromatic Note: Top to middle

• Blends Well With: Eucalyptus, Pine, Lemon, Lavender, Tea Tree, Cedarwood

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Key Constituents:

• Thujone (alpha and beta)

• Fenchone

• Sabinene

• Camphene

• Borneol
  (Note: High thujone content – use with caution)

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Traditional Uses:

• Historically used by Indigenous peoples of North America for ceremonial and medicinal purposes

• Often employed in natural insect repellents and liniments

• Used in small amounts for its purifying and antimicrobial properties in wellness and ritual blends

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Aromatherapy & Topical Applications:

• Purifying: Supports clearing and energizing environments

• Respiratory Support: Can be used (with caution) in diffusers for opening airways

• Topical Use: Must be highly diluted due to thujone content; typically used in salves and blends for muscular and joint support

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Cautions:

• High in Thujone: Neurotoxic and potentially hepatotoxic in high doses

• Not for internal use

• Avoid during pregnancy and breastfeeding

• Use only in very low dilutions (≤0.4%) on skin

• Keep out of reach of children and pets

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Storage:

Store in a cool, dark place away from sunlight and heat. Proper storage will preserve the oil’s potency for up to 3–4 years.