Beauty
Horsetail Extract
Also known as: Equisetum arvense
Natural source of silica for hair, skin, and nail strength. Traditional beauty remedy.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Hair strength
- Nail strength
- Silica source
How it works
- Natural silica source
- May support keratin
- Traditional remedy
Dosage
- Typical range
- 300-600mg extract daily
- Timing
- Any time
- With food
- Optional
- Duration
- Long-term for beauty
- Special populations
- Weak hair/nails, silica support
Forms
- Capsules
- Tea
Safety
Common side effects
- GI upset
- Thiamine depletion long-term
Contraindications
- Thiamine deficiency
Evidence notes
Traditional use, silica source
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.