Horsetail | Equisetum spp.

Horsetail is a mineral-rich herb valued for its tissue-strengthening, diuretic, and wound-healing properties. It supports bone, skin, hair, nail, and urinary health through its high silica content and restorative actions.

Close-up image of horsetail (Equisetum arvense) plants, showcasing their slender, segmented green stems and brush-like appearance in a natural setting.

Benefits & Uses

  • Astringent: Tightens and tones tissues, helping reduce minor bleeding and improve skin firmness.

  • Diuretic: Increases urine flow, supporting kidney and bladder health.

  • Anti-inflammatory: Reduces swelling and irritation in joints, skin, and mucous membranes.

  • Antioxidant: Protects cells from oxidative damage, supporting tissue repair and healthy aging.

  • Vulnerary: Promotes healing of wounds, burns, and minor skin irritations.

  • Silicic Acid Source: Provides silica to support bone strength, hair growth, nail health, and connective tissue integrity.

Form & Dosage

  • Tea/Infusion: Steep 2–3 tsp dried aerial parts in hot water for 10–15 minutes; drink up to 3 cups daily.

  • Tincture: 2–4 mL up to 3 times daily.

  • Capsules/Tablets: Follow manufacturer’s dosage for powdered aerial parts or extract.

  • Poultice/Compress: Apply cooled infusion or crushed fresh plant externally to wounds or skin irritations.

Parts Used

  • Aerial parts (stems).

Precautions

  • Pregnancy & breastfeeding: Safety not established; consult a healthcare provider.

  • Medication interactions: May interact with diuretics, lithium, or potassium-lowering drugs.

  • Long-term use: Avoid extended use without medical supervision due to potential thiaminase content, which can deplete vitamin B1.

  • Medical conditions: Use cautiously if you have heart or kidney disease.

Sources

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