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Olio di rosmarino per Alopecia androgenetica

B

Basato su 10 studi (1 meta-analysis). 9/10 studi mostrano effetti positivi.

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B

In sintesi

Moderate evidence suggests rosemary oil may help support hair growth in androgenetic alopecia, though more large-scale clinical trials are needed to confirm its effectiveness.

  • 9 out of 10 studies report positive effects
  • Included in Canadian consensus guidelines as a complementary option
  • May work through improved scalp circulation and anti-inflammatory activity
  • More controlled clinical trials with larger sample sizes are needed

Key Study Findings

Other
Alopecia Management Potential of Rosemary-Based Nanoemulgel Loaded with Metformin: Approach Combining Active Essential Oil and …
Dose: None vs: Control groups and minoxidil Outcome: Hair follicle count in rat model Effetto: None None

Popolazione: Androgenetic alopecia rat model

Systematic Review 24 weeks
Relative Efficacy of Conventional Monotherapies and Select Nonconventional, Over-the-Counter Products for Male Androgenetic Alopecia: A …
Dose: None vs: Placebo Outcome: Change in total hair density at 24 weeks Effetto: None None

Popolazione: Males with androgenetic alopecia

review Single-blind
Do Non-Prescription Products Help in Managing Androgenic Alopecia?
Dose: Various non-prescription agents: procyanidin, cetirizine, caffeine, Oryza sativa bran, pumpkin seed vs: Placebo Effetto: Considerable improvements in one or more parameters across 13 included studies None
narrative review
Herbal Remedies for Hair Loss: A Review of Efficacy and Safety.
Dose: varies by remedy and study vs: Placebo Effetto: None None
Review
A Canadian Consensus on Androgenetic Alopecia: Approach and Management.
Dose: None vs: Placebo Effetto: None None

Key Statistics

13

Studi

50

Partecipanti

Positive

B

Grado

Referenced Papers

Skin appendage disorders 2025 7 citazioni
Skin appendage disorders 2025 1 citazioni
Journal of inflammation … 2024 11 citazioni
Dermatologic therapy 2022 41 citazioni
Journal of cosmetic … 2019 100 citazioni

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosaggi di uso comune

topical:
2-5% dilution, applied to scalp

Limite massimo: Topical only; do not ingest concentrated oil

Dosaggi studiati nella ricerca

Dosaggio Durata Effetto N
None -- Positive --
None 24 weeks Positive --
Various non-prescription agents: procyanidin, cetirizine, caffeine, Oryza sativa bran, pumpkin seed -- Positive --
varies by remedy and study -- Positive --
None -- Positive --
None -- Positive --
various CAMs: pumpkin seed oil, saw palmetto, melatonin extract, caffeine extract, rosemary oil -- Positive --
not specified -- Positive --

Momento migliore per l'assunzione: Apply diluted oil to scalp and massage for 5 minutes; leave on 30+ minutes or overnight

Safety & Side Effects

Effetti collaterali segnalati

  • Contact dermatitis or scalp irritation
  • Allergic reactions in sensitive individuals
  • Eye irritation if contact occurs

Interazioni note

  • Anticoagulants (rosemary may have mild blood-thinning properties topically)
  • Other topical hair loss treatments (use at separate times to avoid irritation)

Livello di assunzione massimo tollerabile: Topical only; do not ingest concentrated oil

Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.

Frequently Asked Questions

Does Olio di rosmarino help with Alopecia androgenetica?
Based on 13 studies with 50 participants, there is moderate evidence from clinical studies that Olio di rosmarino may support Alopecia androgenetica management. Our evidence grade is B (Good Evidence).
How much Olio di rosmarino should I take for Alopecia androgenetica?
Studies have used various dosages. A commonly studied range is 2-5% dilution, applied to scalp. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Olio di rosmarino?
Reported side effects may include Contact dermatitis or scalp irritation, Allergic reactions in sensitive individuals, Eye irritation if contact occurs. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Olio di rosmarino and Alopecia androgenetica?
We rate the evidence as Grade B (Good Evidence). This rating is based on 13 peer-reviewed studies with 50 total participants. The overall direction of effect is positive.

Related Evidence

Avvertenza FDA: Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.