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evidence · mechanism · dose
Supplements/Herb

Rosemary Oil (Topical)

Topical rosemary oil — comparable to 2% minoxidil for AGA in head-to-head trial.

Hair Support

Overview

Topical rosemary oil — comparable to 2% minoxidil for AGA in head-to-head trial.

Natural sources
    Common forms

      Mechanism of action

      1,8-cineole and carnosic acid improve scalp microcirculation; mild anti-androgen.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Equivalent hair count to 2% minoxidil at 6 months (Panahi 2015)

        Limited evidence

        Potential side effects

        Common
        • · Scalp irritation
        • · Itch
        Rare
        • · Contact dermatitis
        Serious

          Drug interactions

          No notable interactions reported.

          Safety & non-supplemental interactions

          Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

          Avoid if you are
          • ·Pregnant or breastfeeding (insufficient safety data)
          • ·Children under 18 (unless directed by a clinician)

          Supplement interactions

          Pairs well with

          None listed.

          Avoid combining with

          No specific avoidances listed.

          Dosing & bioavailability

          Typical dose
          Dilute to 2–5% in carrier oil; massage daily
          With food?
          Topical only

          Where to buy

          Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

          Herb
          Rosemary Oil…
          Amazon
          Wide selection · fast shipping
          Herb
          Rosemary Oil…
          iHerb
          Global delivery · curated brands
          Herb
          Rosemary Oil…
          Thorne
          Practitioner-grade · NSF tested

          Scientific evidence (8)

          RCTSkinmed · 2015

          Rosemary oil vs minoxidil 2% in androgenetic alopecia

          Panahi Y, et al.

          6-month RCT of topical rosemary vs minoxidil 2%.

          Key findings

          Comparable hair-count increase with less scalp itching.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — Equivalent hair count to 2% minoxidil at 6 months

          Live PubMed search

          Live results for "Rosemary Oil (Topical) Equivalent hair count to 2% minoxidil at 6 months" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "Equivalent hair count to 2% minoxidil at 6 months". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — randomized controlled trial

          Live PubMed search

          Live results for "Rosemary Oil (Topical) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — meta-analysis

          Live PubMed search

          Live results for "Rosemary Oil (Topical) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — pharmacokinetics

          Live PubMed search

          Live results for "Rosemary Oil (Topical) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — safety adverse events

          Live PubMed search

          Live results for "Rosemary Oil (Topical) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Rosemary Oil (Topical) — dose response

          Live PubMed search

          Live results for "Rosemary Oil (Topical) dose response" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

          Opens current human and preclinical literature matching Rosemary Oil (Topical) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

          Open study
          Systematic reviewGoogle Scholar · 1970

          Google Scholar: Rosemary Oil (Topical) — clinical evidence

          Live Scholar search

          Cross-database citation index for Rosemary Oil (Topical) as it relates to "clinical evidence".

          Key findings

          Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

          Open study
          Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.