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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.

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A

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

randomized controlled trial n=9 12.5 weeks Single-blind
Photobiomodulation therapy and 5% minoxidil in female pattern hair loss: a case series focusing on …
Dose: Photobiomodulation therapy (PBMt; red laser 100mW, 4J/point, 25 sessions, twice weekly) + minoxidil vs: Placebo Efeito: Both groups improved QoL and hair density; PBMt + MIN showed significantly greater reduction in telo None
Randomized Controlled Trial 24 weeks Single-blind
Comparative efficacy of 2% minoxidil alone against combination of 2% minoxidil and low-level laser therapy …
Dose: None vs: None Outcome: None Efeito: None None

População: None

Randomized Controlled Trial
Comparison of low-level light therapy and combination therapy of 5% minoxidil in the treatment of …
Dose: 3 g vs: control Outcome: None Efeito: None P < 0.05

População: None

prospective interventional study (single-arm) n=20 16 weeks
Results of low-level laser therapy in the treatment of hair growth: An Egyptian experience.
Dose: 20 minutes, 2 sessions/week for 16 weeks (32 total sessions) vs: Placebo Efeito: FPHL: 222.3 to 255.3 hairs/cm² (p=0.007); TE: 271.2 to 294.2 hairs/cm² (p=0.143) 0.007 (FPHL); 0.143 (TE)
Review
Female pattern hair loss: A comprehensive review.
Dose: None vs: None Outcome: None Efeito: None None

População: Female pattern hair loss patients

Review 16 weeks
Examining the Safety and Efficacy of Low-Level Laser Therapy for Male and Female Pattern Hair …
Dose: Low-level laser therapy (LLLT), 600-1100 nm wavelength, treatment ≥16 weeks vs: Placebo Efeito: All 8 sham-controlled studies showed statistically significant increase in hair diameter or density p < 0.01 (all sham-device cont

Key Statistics

14

Estudos

5537

Participantes

Positive

A

Nota

Referenced Papers

Dermatologic therapy 2020 48 citações
Lasers in medical … 2016 83 citações
The Cochrane database … 2016 18 citações

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?
Based on 14 studies with 5,537 participants, there is strong evidence from multiple clinical trials that Terapia a laser de baixa intensidade may support Perda Capilar de Padrão Feminino management. Our evidence grade is A (Strong Evidence).
How much Terapia a laser de baixa intensidade should I take for Perda Capilar de Padrão Feminino?
Studies have used various dosages. A commonly studied range is 8-15 minutes, 3x/week. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Terapia a laser de baixa intensidade?
Reported side effects may include Mild scalp warmth or tingling, Headache (uncommon), Initial shedding phase (rare), Dry scalp. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Terapia a laser de baixa intensidade and Perda Capilar de Padrão Feminino?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 14 peer-reviewed studies with 5,537 total participants. The overall direction of effect is positive.

Outros ingredientes para Perda Capilar de Padrão Feminino

Terapia a laser de baixa intensidade para outras condições

References

  1. [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. [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. [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. [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. [5] Mia J Bertoli et al.. Dermatol Ther. 2020. Female pattern hair loss: A comprehensive review. doi:10.1111/dth.14055 PubMed
  6. [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. [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. [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. [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. [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. [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. [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. [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. [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.