Botanical Overview

Lawsonia inermis, commonly known as Henna, belongs to the family Lythraceae. It is a flowering plant native to North Africa, South Asia, the Middle East, and the Mediterranean region. The primary part used medicinally is the leaf, prized both for its dyeing properties and therapeutic applications. Common names include Henna, Mignonette tree, and Egyptian privet.

Energetics

Henna presents a cooling temperature and drying moisture profile. Its taste is primarily astringent and bitter, exhibiting a descending energetic direction. It is considered tonifying to the blood system.

Primary Actions

• Astringent
• Antifungal
• Anti-inflammatory
• Antimicrobial
• Dye

Indications

Western

• Skin infections
• Inflammation
• Wounds
• Fungal infections
• Hair loss

Syndromes

• Dermatitis
• Tinea infections
• Scalp disorders

TCM

No primary indications documented.

Ayurveda

• Skin eruptions
• Excess pitta
• Heat rash

Syndromes

• Rakta dusti (blood impurity)
• Pitta disorders

Unani

• Skin inflammation
• Rashes
• Pruritus

Syndromes

• Safra imbalance
• Baroodat (skin afflictions)

Constituents & Mechanisms

Active phytochemicals include lawsone (2-hydroxy-1,4-naphthoquinone), flavonoids, tannins, coumarins, and mucilage. Lawsone is responsible for the characteristic dye and antimicrobial effects.

Dosage & Preparations

• Topical paste from powdered leaves applied to skin or hair
• Infusion of leaves used externally for wounds and skin infections

Safety & Contraindications

Topical use is generally safe but may cause allergic reactions in sensitive individuals. Internal use should be approached cautiously due to potential toxicity. Henna is not recommended during pregnancy owing to insufficient safety data. Allergy to henna or related plants is a contraindication.

Astrological Correspondences

No well-supported planetary or elemental rulers are documented for Lawsonia inermis.

Selected References

• Lawsonia inermis – Henna, Plants for a Future (PFAF)
• WHO Monographs on Selected Medicinal Plants – Lawsonia inermis, WHO 1999
• Lawsonia inermis L. – Henna, Wealth of India, CSIR 2000
• Henna (Lawsonia inermis), Herbal Medicine: Biomolecular and Clinical Aspects, Brinker 2011