Also known as: Equisetum arvense
Natural source of silica for hair, skin, and nail strength. Traditional beauty remedy.
Long-term for beauty
Weak hair/nails, silica support
We haven’t curated landmark studies for Horsetail Extractyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Traditional use, silica source
Avoid
May affect kidney (diuretic)
Other ingredients in the Beauty category.
Formulate Research Team. (2026, September). Horsetail Extract — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/horsetail-extract
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.