Overview
Topical rosemary oil — comparable to 2% minoxidil for AGA in head-to-head trial.
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
1,8-cineole and carnosic acid improve scalp microcirculation; mild anti-androgen.
- · 1,8-cineole
- · carnosic acid improve scalp microcirculation
- · mild anti-androgen
Effects on the body
Organ system effects
Evidence-based benefits
Equivalent hair count to 2% minoxidil at 6 months (Panahi 2015)
Limited evidencePotential side effects
- · Scalp irritation
- · Itch
- · Contact dermatitis
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Scientific evidence8Show studiesHide studies
Rosemary oil vs minoxidil 2% in androgenetic alopecia
Panahi Y, et al.
6-month RCT of topical rosemary vs minoxidil 2%.
Comparable hair-count increase with less scalp itching.
PubMed: Rosemary Oil (Topical) — Equivalent hair count to 2% minoxidil at 6 months
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PubMed: Rosemary Oil (Topical) — randomized controlled trial
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PubMed: Rosemary Oil (Topical) — meta-analysis
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PubMed: Rosemary Oil (Topical) — dose response
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Google Scholar: Rosemary Oil (Topical) — clinical evidence
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Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.