Terapia a laser de baixa intensidade para Perda Capilar de Padrão Feminino
A Evidências Vários grandes ensaios clínicos mostram de forma consistente benefícios significativos.Baseado em 8 estudos (1 meta-analysis, 2 RCTs) com 5,391 participantes no total. 7/8 estudos mostram efeitos positivos.
Conclusão
Low-level laser therapy has strong evidence for female pattern hair loss and represents one of the best-supported non-medication options available for women experiencing this condition.
- 7 out of 8 studies report positive effects, including well-designed RCTs with sham controls
- Especially relevant for women who may want to avoid oral medications
- Included in international clinical guidelines for female pattern hair loss
- Both clinical treatments and at-home devices have shown effectiveness in studies
Key Study Findings
População: None
População: None
População: Female pattern hair loss patients
Key Statistics
14
Estudos
5537
Participantes
Positive
Nota
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- hairloss:
- 8-15 minutes, 3x/week
Limite superior: Not applicable
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | N |
|---|---|---|---|
| Photobiomodulation therapy (PBMt; red laser 100mW, 4J/point, 25 sessions, twice weekly) + minoxidil | 12.5 weeks | Positive | 9 |
| None | 24 weeks | Positive | -- |
| 3 g | -- | Positive | -- |
| 20 minutes, 2 sessions/week for 16 weeks (32 total sessions) | 16 weeks | Positive | 20 |
| None | -- | Negative | -- |
| Low-level laser therapy (LLLT), 600-1100 nm wavelength, treatment ≥16 weeks | 16 weeks | Positive | -- |
| finasteride 1 mg/d, dutasteride 0.5 mg/d, topical minoxidil 5% twice daily (MPHL); topical minoxidil | -- | Positive | -- |
| None | -- | Mixed | -- |
Melhor horário: Use device for recommended duration 3 times per week on non-consecutive days
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ Mild scalp warmth or tingling
- ⚠ Headache (uncommon)
- ⚠ Initial shedding phase (rare)
- ⚠ Dry scalp
Interações Conhecidas
- ● Photosensitizing medications (tetracyclines, fluoroquinolones) may increase scalp sensitivity
- ● No significant interactions with oral hair loss medications
Ingestão máxima tolerável: Not applicable
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 Terapia a laser de baixa intensidade help with Perda Capilar de Padrão Feminino?
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Related Evidence
Outros ingredientes para Perda Capilar de Padrão Feminino
Terapia a laser de baixa intensidade para outras condições
References
- [1] Denise Ferreira Rodrigues et al.. Lasers Med Sci. 2025. Photobiomodulation therapy and 5% minoxidil in female pattern hair loss: a case series focusing on hair growth phases over a … doi:10.1007/s10103-025-04780-6 PubMed
- [2] Xianhong Yang et al.. Photodiagnosis Photodyn Ther. 2024. Comparative efficacy of 2% minoxidil alone against combination of 2% minoxidil and low-level laser therapy in female pattern hair loss-A … doi:10.1016/j.pdpdt.2024.103966 PubMed
- [3] Yang Liu et al.. Lasers Med Sci. 2021. Comparison of low-level light therapy and combination therapy of 5% minoxidil in the treatment of female pattern hair loss. doi:10.1007/s10103-020-03157-1 PubMed
- [4] Mohamed Amer et al.. Dermatol Ther. 2021. Results of low-level laser therapy in the treatment of hair growth: An Egyptian experience. doi:10.1111/dth.14940 PubMed
- [5] Mia J Bertoli et al.. Dermatol Ther. 2020. Female pattern hair loss: A comprehensive review. doi:10.1111/dth.14055 PubMed
- [6] Andjela Egger et al.. Skin Appendage Disord. 2020. Examining the Safety and Efficacy of Low-Level Laser Therapy for Male and Female Pattern Hair Loss: A Review of the … doi:10.1159/000509001 PubMed
- [7] Poonkiat Suchonwanit et al.. Lasers Med Sci. 2019. Low-level laser therapy for the treatment of androgenetic alopecia in Thai men and women: a 24-week, randomized, double-blind, sham device-controlled … doi:10.1007/s10103-018-02699-9 PubMed
- [8] A K Gupta et al.. J Eur Acad Dermatol Venereol. 2018. Efficacy of non-surgical treatments for androgenetic alopecia: a systematic review and network meta-analysis. doi:10.1111/jdv.15081 PubMed
- [9] 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
- [10] Mina Zarei et al.. Lasers Med Sci. 2016. Low level laser therapy and hair regrowth: an evidence-based review. doi:10.1007/s10103-015-1818-2 PubMed
- [11] Esther J van Zuuren et al.. Cochrane Database Syst Rev. 2016. Interventions for female pattern hair loss. doi:10.1002/14651858.CD007628.pub4 PubMed
- [12] Joaquin J Jimenez et al.. Am J Clin Dermatol. 2014. Efficacy and safety of a low-level laser device in the treatment of male and female pattern hair loss: a multicenter, … doi:10.1007/s40257-013-0060-6 PubMed
- [13] Andréia Munck et al.. Int J Trichology. 2014. Use of low-level laser therapy as monotherapy or concomitant therapy for male and female androgenetic alopecia. doi:10.4103/0974-7753.138584 PubMed
- [14] Matt Leavitt. Facial Plast Surg. 2008. Understanding and management of female pattern alopecia. doi:10.1055/s-0028-1102905 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.