Ketoconazole para Alopecia Androgenética
A Evidências Vários grandes ensaios clínicos mostram de forma consistente benefícios significativos.Baseado em 17 estudos (3 meta-analyses, 2 RCTs) com 5,154 participantes no total. 16/17 estudos mostram efeitos positivos.
Conclusão
Ketoconazole shampoo has strong evidence supporting its use for androgenetic alopecia, working through both antifungal and anti-androgenic mechanisms, and is recommended as a complement to other hair loss approaches.
- 16 out of 17 studies show positive effects across 5,154 participants
- Works through dual mechanisms: antifungal scalp benefits and local anti-androgenic activity
- Included in clinical guidelines as a complementary approach for pattern hair loss
- Typically used as a 1-2% shampoo applied 2-3 times per week
Key Study Findings
População: patients with androgenetic alopecia
Key Statistics
19
Estudos
5154
Participantes
Positive
Nota
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- topical:
- 2% shampoo, 2-3x/week
Limite superior: Topical only for hair loss
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | N |
|---|---|---|---|
| None | -- | Negative | -- |
| F1: biotin 0.5%, caffeine 2.0%, niacinamide 2.0%; F2: finasteride 0.1%, minoxidil 1.0%, tretinoin 0. | 26 weeks | Positive | -- |
| None | -- | Positive | -- |
| various across 141 included studies | -- | Positive | -- |
| None | -- | Positive | 318 |
| varies | -- | Positive | -- |
| dutasteride and ketoconazole at pharmacokinetic study doses in rats (not specified in abstract) | -- | Mixed | -- |
| various topical ketoconazole formulations | -- | Positive | 4566 |
Melhor horário: Lather on scalp and leave for 3-5 minutes before rinsing; use 2-3 times per week
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ Scalp dryness and irritation
- ⚠ Changes in hair texture
- ⚠ Oily or dry scalp (paradoxical)
- ⚠ Contact dermatitis (rare)
Interações Conhecidas
- ● Other topical hair treatments (apply at separate times)
- ● Systemic ketoconazole has many interactions but topical has minimal systemic absorption
Ingestão máxima tolerável: Topical only for hair loss
Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.
Frequently Asked Questions
Does Ketoconazole help with Alopecia Androgenética?
How much Ketoconazole should I take for Alopecia Androgenética?
Are there side effects of Ketoconazole?
How strong is the evidence for Ketoconazole and Alopecia Androgenética?
Related Evidence
Outros ingredientes para Alopecia Androgenética
Ketoconazole para outras condições
References
- [1] Aditya K Gupta et al.. Int J Dermatol. 2026. Scalp Microbiome Alterations in Androgenetic Alopecia: Patterns and Emerging Mechanistic Insights. doi:10.1111/ijd.70365 PubMed
- [2] Ian Landells et al.. J Cutan Med Surg. 2025. A Canadian Consensus on Androgenetic Alopecia: Approach and Management. doi:10.1177/12034754251368849 PubMed
- [3] Carolina Schettino Kegele et al.. Int J Pharm Compd. 2025. Personalized Compounded Hair Loss Treatments: A Compatibility Assessment of the TrichoConcept™ Vehicle Line. PubMed
- [4] Amanda Rosenthal et al.. J Cosmet Laser Ther. 2024. Management of androgenic alopecia: a systematic review of the literature. doi:10.1080/14764172.2024.2362126 PubMed
- [5] Jaime R Fields et al.. Dermatol Ther. 2020. Topical ketoconazole for the treatment of androgenetic alopecia: A systematic review. doi:10.1111/dth.13202 PubMed
- [6] Dustin H Marks et al.. Am J Clin Dermatol. 2020. Topical Antiandrogen Therapies for Androgenetic Alopecia and Acne Vulgaris. doi:10.1007/s40257-019-00493-z PubMed
- [7] Solmaz Asnaashari et al.. Altern Ther Health Med. 2020. Herbal Medicines For Treatment of Androgenic Alopecia. PubMed
- [8] Franchesca D Choi et al.. J Dermatolog Treat. 2019. Topical ketoconazole: a systematic review of current dermatological applications and future developments. doi:10.1080/09546634.2019.1573309 PubMed
- [9] Seong-Wook Seo et al.. Pharmaceutics. 2019. In Vitro and In Vivo Assessment of Metabolic Drug Interaction Potential of Dutasteride with Ketoconazole. doi:10.3390/pharmaceutics11120673 PubMed
- [10] Motomu Manabe et al.. J Dermatol. 2018. Guidelines for the diagnosis and treatment of male-pattern and female-pattern hair loss, 2017 version. doi:10.1111/1346-8138.14470 PubMed
- [11] Dimitrios Ioannides et al.. Curr Probl Dermatol. 2015. Female pattern hair loss. doi:10.1159/000369404 PubMed
- [12] Muhsin A Aldhalimi et al.. ISRN Pharmacol. 2014. Promotive effect of topical ketoconazole, minoxidil, and minoxidil with tretinoin on hair growth in male mice. doi:10.1155/2014/575423 PubMed
- [13] B M Piraccini et al.. G Ital Dermatol Venereol. 2014. Androgenetic alopecia. PubMed
- [14] Lauren L Levy et al.. Int J Womens Health. 2013. Female pattern alopecia: current perspectives. doi:10.2147/IJWH.S49337 PubMed
- [15] K J McElwee et al.. Skin Therapy Lett. 2012. Promising therapies for treating and/or preventing androgenic alopecia. PubMed
- [16] A W Rafi et al.. ISRN Dermatol. 2011. Pilot Study of 15 Patients Receiving a New Treatment Regimen for Androgenic Alopecia: The Effects of Atopy on AGA. doi:10.5402/2011/241953 PubMed
- [17] Andreas D Katsambas et al.. Clin Dermatol. 2010. Hormonal therapy for acne: why not as first line therapy? facts and controversies. doi:10.1016/j.clindermatol.2009.03.006 PubMed
- [18] Shigeki Inui et al.. J Dermatol Sci. 2007. Reversal of androgenetic alopecia by topical ketoconzole: relevance of anti-androgenic activity. doi:10.1016/j.jdermsci.2006.08.011 PubMed
- [19] N V Tsiskarishvili et al.. Georgian Med News. 2007. [Effectiveness of the treatment plan for androgenetic alopecia]. PubMed
- [20] Ju Jiang et al.. J Dermatol. 2005. Topical application of ketoconazole stimulates hair growth in C3H/HeN mice. doi:10.1111/j.1346-8138.2005.tb00756.x PubMed
- [21] B S Hugo Perez. Med Hypotheses. 2004. Ketocazole as an adjunct to finasteride in the treatment of androgenetic alopecia in men. doi:10.1016/s0306-9877(03)00264-0 PubMed
- [22] Sujay Khandpur et al.. J Dermatol. 2002. Comparative efficacy of various treatment regimens for androgenetic alopecia in men. doi:10.1111/j.1346-8138.2002.tb00314.x PubMed
- [23] C Piérard-Franchimont et al.. Int J Cosmet Sci. 2002. Nudging hair shedding by antidandruff shampoos. A comparison of 1% ketoconazole, 1% piroctone olamine and 1% zinc pyrithione formulations. doi:10.1046/j.1467-2494.2002.00145.x PubMed
- [24] C Piérard-Franchimont et al.. Dermatology. 1998. Ketoconazole shampoo: effect of long-term use in androgenic alopecia. doi:10.1159/000017954 PubMed
Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.