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Birch (Tar)

Use with caution

Betula pendula

Energy
Warming
Forms
Maceration, Distillate
Min. dosage
0.1 – 0.5 g

Planetary correspondences

Mars40%
Saturn80%
Mercury20%

Esoteric description

Birch (Betula pendula) and Birch Tar: Sacred Void and Cleansing Fire

Birch is a tree of thresholds and beginnings, governed by the Moon and the element of Water. However, during the dry distillation of its bark (the production of tar), the plant undergoes an alchemical transition into the spheres of Saturn and Mars. In spagyrics, tar is viewed as Nigredo (the black stage)—a process of decomposition and purification necessary to separate the subtle from the gross.

Esoteric Aspect

  • Planetary Correspondence: Moon (connection to the subconscious, protection against astral parasites) and Saturn (structuring, rigid boundaries, expulsion of disease).
  • Spiritual Alchemy: Tar symbolizes the "Black Sun" within the wood. It is used to banish entities, cleanse energy channels, and create protective barriers. Its sharp, smoky aroma is the "scent of the threshold," separating the world of the living from the world of shadows.

Biochemical Profile

Birch tar (Pix Betulae) is a complex mixture of organic compounds obtained through the pyrolysis of birch bark. Its biological activity is due to the synergy of the following components:

  • Phenols (guaiacol, cresol, phenol): Possess powerful antiseptic and disinfectant properties. They denature the proteins of pathogenic microorganisms, disrupting their cellular respiration.
  • Betulin and Betulinic Acid: Triterpene compounds with proven antitumor and hepatoprotective activity. Betulin modulates energy metabolism in the mitochondria.
  • Guaiacol: Exerts a pronounced local irritant and keratoplastic effect, accelerating epidermal regeneration by increasing blood circulation.
  • Benzene and its derivatives: These are potent antiparasitic agents that destroy the chitinous shells and metabolic chains of ectoparasites.

Application in Spagyric Medicine

In a spagyric sense, tar acts as the "Great Purifier." Due to its high content of phenolic compounds, it causes moderate tissue irritation, which forces the body to activate regenerative resources (the hormesis effect).

  • Dermatological Impact: In concentrations of up to 10-20%, tar normalizes keratinization processes and suppresses excessive cell division in cases of psoriasis and eczema, acting as a regulator of "skin alchemy."
  • Biochemical Mechanism: Stimulation of TRPV1 receptors (capsaicin receptors) causes a local rush of blood and stimulates an immune response in the dermis, which facilitates the resolution of infiltrates.

Caution: The high content of polycyclic aromatic hydrocarbons requires caution during use and strict adherence to therapeutic dosages.

Favorable days calendar

Day highlighting for working with “Birch (Tar)” by the Moon, aspects, and planetary plant weights. Brighter means a more favourable day.

May 2026

PlantBirch (Tar)— taken into account in the estimation of days and percentages on the grid
Mon
W
Wed
Thu
Fri
Sat
Sun

Cautions

Contraindications

  • Pregnancy
  • Kidney disease
  • Acute skin inflammation
  • Eczema

Interactions

  • Photosensitizing drugs
  • Topical corticosteroids