Summation and Recommendations for the Safe and Effective Use of Topical and Oral Minoxidil

April 2025 in “ Journal of the American Academy of Dermatology ”

Elise A. Olsen, Rodney Sinclair, Maria Hordinsky, Natasha Atanaskova Mesinkovska, Neil S. Sadick, Jerry Shapiro, Wilma F. Bergfeld

minoxidil topical minoxidil oral minoxidil hair loss treatment protocols side effects patient education Rogaine

Studysummary This source provides an overview of expert practices for using topical and low-dose oral minoxidil in treating hair loss, highlighting how dermatologists apply existing literature to ensure safe and effective treatment.

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The Role of Patient and Drug-Related Factors in Oral Minoxidil and Pericardial Effusion: Analyses of Data From the United States Food and Drug Administration Adverse Event Reporting System

research The Role of Patient and Drug-Related Factors in Oral Minoxidil and Pericardial Effusion: Analyses of Data From the United States Food and Drug Administration Adverse Event Reporting System

December 2024 in “Journal of Cosmetic Dermatology”

This study found that oral minoxidil was more likely to be associated with pericardial effusion compared to other adverse effects, with the relationship appearing dose independent.

research Evaluation of Pericardial Effusions in Alopecia Patients on Low-Dose Oral Minoxidil Therapy

9 citations , August 2024 in “Journal of Drugs in Dermatology”

In this study, researchers found no evidence of increased prevalence of pericardial effusions in alopecia patients treated with low-dose oral minoxidil compared to those not receiving minoxidil, based on point-of-care ultrasound evaluations.

research Evaluation of the Safety and Effectiveness of Oral Minoxidil in Children: A Systematic Review

June 2024 in “Dermatology and therapy”

This review suggests that low-dose oral minoxidil may be a safe option for treating hair disorders in children, while moderate and high doses may not be safe.

research Intradermal Delivery of Alopecia Therapeutics: Current State and Future Prospects

June 2023 in “Dermatologic Surgery”

This review highlights the promising potential of mesotherapy for delivering dutasteride and minoxidil as treatments for androgenetic alopecia, emphasizing the need for more research on drug preparation, delivery, and maintenance to establish its safety and effectiveness.

research Systemic Minoxidil for Hair Disorders in Pediatric Patients: A Safety and Tolerability Review

August 2022 in “International Journal of Dermatology”

In this study, low-dose oral minoxidil and sublingual minoxidil were generally well-tolerated in children with alopecia, with mild hypertrichosis as the most common adverse event.

research Before-After Study With 24-Hour Ambulatory Blood Pressure Monitoring After the First Dose of 5 Mg Oral Minoxidil

August 2022 in “Journal of The American Academy of Dermatology”

This study observed a slight reduction in blood pressure in normotensive patients after taking a 5-mg dose of oral minoxidil, particularly within the first two hours and more so in those with high baseline blood pressure.

research Pericardial, Pleural Effusion and Anasarca: A Rare Complication of Low-Dose Oral Minoxidil for Hair Loss

3 citations , August 2022 in “JAAD case reports”

This review discusses the emerging evidence for low-dose oral minoxidil in treating various types of alopecia, without providing new clinical results.

research Efficacy and Safety of 5% Minoxidil Alone, Minoxidil Plus Oral Spironolactone, and Minoxidil Plus Microneedling on Female Pattern Hair Loss: A Prospective, Single-Center, Parallel-Group, Evaluator-Blinded, Randomized Trial

2 citations , July 2022 in “Frontiers in Medicine”

This study found that combining topical minoxidil with microneedling improved hair density more than either minoxidil alone or with spironolactone for women with mild-to-moderate female pattern hair loss.

Prospective Cardiovascular Evaluation with 24-Hour Holter and Ambulatory Blood Pressure Monitoring in Men Using 5-mg Oral Minoxidil for Androgenetic Alopecia

research Prospective Cardiovascular Evaluation with 24-Hour Holter and Ambulatory Blood Pressure Monitoring in Men Using 5-mg Oral Minoxidil for Androgenetic Alopecia

3 citations , May 2022 in “Journal of The American Academy of Dermatology”

This source notes that while low-dose oral minoxidil is effective for treating androgenetic alopecia, it has been associated with electrocardiogram changes and palpitations even at low doses.

research Low-Dose Oral Minoxidil for Treatment of Androgenetic Alopecia and Telogen Effluvium in a Pediatric Population: A Descriptive Study

6 citations , April 2022 in “Journal of The American Academy of Dermatology”

In this study, low-dose oral minoxidil was found to improve hair density in 80% of pediatric patients with androgenetic alopecia or telogen effluvium, with mild side effects primarily reported.

Sublingual Minoxidil for the Treatment of Male and Female Pattern Hair Loss: A Randomized, Double-Blind, Placebo-Controlled, Phase 1B Clinical Trial

research Sublingual Minoxidil for the Treatment of Male and Female Pattern Hair Loss: A Randomized, Double-Blind, Placebo-Controlled, Phase 1B Clinical Trial

5 citations , August 2021 in “Journal of The European Academy of Dermatology and Venereology”

In this phase 1B clinical trial, sublingual minoxidil was tested for its effects on male and female pattern hair loss in a randomized, double-blind, placebo-controlled setting, but the abstract does not provide specific results or conclusions.

research SULT1A1 (Minoxidil Sulfotransferase) Enzyme Booster Significantly Improves Response to Topical Minoxidil for Hair Regrowth

1 citations , June 2021 in “Journal of Cosmetic Dermatology”

In this study, the addition of a SULT1A1 enzyme booster to daily 5% minoxidil treatment significantly increased hair regrowth in men with androgenic alopecia compared to minoxidil alone.

Low-Level Light Therapy Downregulates Scalp Inflammatory Biomarkers in Men With Androgenetic Alopecia and Boosts Minoxidil 2% for Sustainable Hair Regrowth

research Low-Level Light Therapy Downregulates Scalp Inflammatory Biomarkers in Men With Androgenetic Alopecia and Boosts Minoxidil 2% for Sustainable Hair Regrowth

4 citations , May 2021 in “Lasers in Surgery and Medicine”

This study observed that adding low-level light therapy with the GentleWaves® device to Minoxidil significantly boosted hair regrowth in men with androgenetic alopecia by reducing scalp inflammation.

research Review of Oral Minoxidil as Treatment of Hair Disorders: In Search of the Perfect Dose

21 citations , March 2021

This study reviewed the literature on low-dose oral minoxidil as a primary treatment for various hair loss disorders, concluding that it is a successful and well-tolerated alternative to topical minoxidil for patients with poor adherence to other therapies.

Comparison of 5% Minoxidil Lotion Monotherapy Versus Its Combination with Autologous Platelet-Rich Plasma in Androgenetic Alopecia in One Hundred Males

research Comparison of 5% Minoxidil Lotion Monotherapy Versus Its Combination with Autologous Platelet-Rich Plasma in Androgenetic Alopecia in One Hundred Males

3 citations , February 2021 in “Medical journal, Armed Forces India”

In this observational study, the combination of PRP and 5% minoxidil was more effective than minoxidil alone in promoting hair growth in men with androgenetic alopecia.

research Safety of Low-Dose Oral Minoxidil for Hair Loss: A Multicenter Study of 1404 Patients

39 citations , February 2021 in “Journal of The American Academy of Dermatology”

In this study, low-dose oral minoxidil for hair loss was associated with infrequent systemic adverse effects, and only 1.7% of patients discontinued treatment due to these effects.

research Combination Oral Minoxidil and Spironolactone for the Treatment of Androgenetic Alopecia in Adolescent Girls

5 citations , December 2020 in “Journal of The American Academy of Dermatology”

This study observed objective improvement in androgenetic alopecia in 5 out of 6 adolescent girls treated with 2.5 mg oral minoxidil and spironolactone, and reported no adverse effects.

research Adverse Effects of Low-Dose Oral Minoxidil for Androgenetic Alopecia in 435 Patients

7 citations , November 2020 in “Journal of The American Academy of Dermatology”

This study found that low-dose oral minoxidil for androgenetic alopecia was associated with a higher incidence of hypertrichosis and edema compared to previous studies, but it remains a generally well-tolerated treatment option.

research Low-Dose Oral Minoxidil for Treating Alopecia: A 3-Year North American Retrospective Case Series

9 citations , October 2020 in “Journal of The American Academy of Dermatology”

This letter discusses the limited adaptation of low dose oral minoxidil for androgenetic alopecia in North America and reports no new clinical results; the authors suggest safety concerns or unclear dosing may be factors.

research Characterization and Management of Hypertrichosis Induced by Low-Dose Oral Minoxidil in the Treatment of Hair Loss

7 citations , September 2020 in “Journal of The American Academy of Dermatology”

This article describes the characteristics and management of hypertrichosis induced by low-dose oral minoxidil used for hair disorders, but reports no new clinical findings.

research Low-Dose Oral Minoxidil as Treatment for Non-Scarring Alopecia: A Systematic Review

19 citations , June 2020 in “International Journal of Dermatology”

In this systematic review, oral minoxidil was found to be a safe and effective treatment for androgenetic alopecia and alopecia areata, with additional benefits for female pattern hair loss and other types of alopecia, although common side effects included hypertrichosis and postural hypotension.

research Minoxidil Induced Central Serous Chorioretinopathy Treated with Oral Eplerenone – A Case Report

4 citations , June 2020 in “BMC Ophthalmology”

This case report suggests that prolonged use of topical minoxidil for androgenic alopecia may cause central serous chorioretinopathy, and oral eplerenone appeared effective in resolving symptoms in the patient presented.

research How Safe Is Prescribing Oral Minoxidil in Patients Allergic to Topical Minoxidil?

8 citations , April 2020 in “Journal of The American Academy of Dermatology”

This report describes nine women who were allergic to topical minoxidil but successfully tolerated low-dose oral minoxidil without significant adverse effects, suggesting it may be a viable alternative for those with similar allergies.

research Minoxidil 1 mg Oral Versus Minoxidil 5% Topical Solution for the Treatment of Female-Pattern Hair Loss: A Randomized Clinical Trial

53 citations , August 2019 in “Journal of The American Academy of Dermatology”

This study observed that low-dose oral minoxidil and topical minoxidil 5% solution both improved hair density in women with female-pattern hair loss, but oral minoxidil may offer advantages in reducing hair shedding.

research Pediatric Androgenetic Alopecia: A Review

8 citations , August 2019 in “Journal of The American Academy of Dermatology”

This study found that androgenetic alopecia is a significant yet under-recognized cause of hair loss in children and adolescents, often linked to family history and typically diagnosed by clinical examination.

research Off-Label Use of Topical Minoxidil in Alopecia: A Review

32 citations , January 2019 in “American Journal of Clinical Dermatology”

This review discusses the use of topical minoxidil for various types of alopecia and reports mixed evidence on its efficacy, with stronger support noted for conditions like eyebrow hypotrichosis and chemotherapy-induced alopecia.

Characterization of Follicular Minoxidil Sulfotransferase Activity in a Cohort of Pattern Hair Loss Patients from the Indian Subcontinent

research Characterization of Follicular Minoxidil Sulfotransferase Activity in a Cohort of Pattern Hair Loss Patients from the Indian Subcontinent

8 citations , October 2018 in “Dermatologic Therapy”

In this study of Indian patients with pattern hair loss, 40.8% showed low sulfotransferase enzyme activity in hair follicles, with a higher prevalence of low activity in men compared to women.

research Low-Dose Daily Aspirin Reduces Topical Minoxidil Efficacy in Androgenetic Alopecia Patients

12 citations , September 2018 in “Dermatologic Therapy”

This study found that 14 days of low-dose aspirin reduced the predicted response to topical minoxidil in androgenetic alopecia patients from 50% to 27%, suggesting aspirin may inhibit minoxidil efficacy.

research The Hair Shedding Visual Scale: A Quick Tool to Assess Hair Loss in Women

16 citations , February 2017 in “Dermatology and Therapy”

This study established and validated a visual scale to assess hair shedding in women with thick hair, finding it effective in distinguishing greater hair loss among women with female pattern hair loss compared to those without.

research Minoxidil Topical Treatment May Be More Efficient If Applied on Damp Scalp Compared to Dry Scalp

13 citations , June 2016 in “Dermatologic Therapy”

This study found that minoxidil applied to a damp scalp may increase drug penetration in vitro, potentially improving treatment effectiveness.

research Hair Shedding in Women: How Much Is Too Much?

32 citations , April 2015 in “British Journal of Dermatology”

This article discusses hair shedding in women and does not offer new research results; it highlights the need for objective criteria to define excessive hair shedding.

Similar Response Patterns to Topical Minoxidil Foam 5% in Frontal and Vertex Scalp of Men with Androgenetic Alopecia: A Microarray Analysis

research Similar Response Patterns to Topical Minoxidil Foam 5% in Frontal and Vertex Scalp of Men with Androgenetic Alopecia: A Microarray Analysis

19 citations , September 2014 in “British Journal of Dermatology”

This study found that topical minoxidil 5% foam was effective in promoting hair growth in both the frontal and vertex scalp for men with androgenetic alopecia.

research Topical Minoxidil Treatment for Congenital Alopecia in Hypohidrotic Ectodermal Dysplasia

12 citations , March 2013

This report describes a case where a 4-year-old boy with congenital alopecia due to hypohidrotic ectodermal dysplasia experienced significant hair growth after using topical minoxidil.

research Central Chorioretinopathy Associated with Topical Use of Minoxidil 2% for Treatment of Baldness

9 citations , September 2011 in “Cutaneous and Ocular Toxicology”

This article presents a case of central serous chorioretinopathy occurring after the use of topical minoxidil solution, but reports no clinical study findings.

A Multicenter, Randomized, Placebo-Controlled, Double-Blind Clinical Trial of a Novel Formulation of 5% Minoxidil Topical Foam Versus Placebo in the Treatment of Androgenetic Alopecia in Men

research A Multicenter, Randomized, Placebo-Controlled, Double-Blind Clinical Trial of a Novel Formulation of 5% Minoxidil Topical Foam Versus Placebo in the Treatment of Androgenetic Alopecia in Men

142 citations , August 2007 in “Journal of The American Academy of Dermatology”

This study found that a new 5% minoxidil foam formulation significantly increased hair counts and improved hair loss condition in men with androgenetic alopecia over 16 weeks compared to placebo.

research Topical Use of Minoxidil in Children and Systemic Side Effects

58 citations , January 2007 in “Dermatology”

Minoxidil use in children may cause heart issues.

research Short Anagen Syndrome

37 citations , July 2005 in “Journal of The American Academy of Dermatology”

This article reviews the clinicopathologic features of short anagen syndrome in a child and suggests diagnostic methods like clinical examination and scalp hair growth rate measurement, without reporting new clinical results.

research A Randomized, Placebo-Controlled Trial of 5% and 2% Topical Minoxidil Solutions in the Treatment of Female Pattern Hair Loss

219 citations , March 2004 in “Journal of The American Academy of Dermatology”

In this 48-week trial, 5% topical minoxidil was more effective than both 2% minoxidil and placebo in promoting hair growth in women with female pattern hair loss, with notable improvements in nonvellus hair count and hair growth assessments.

research Minoxidil: Mechanisms of Action on Hair Growth

397 citations , February 2004 in “British Journal of Dermatology”

This article reviews the mechanisms by which minoxidil stimulates hair growth and reports no new clinical findings.

research Pseudoacromegaly Induced by the Long-Term Use of Minoxidil

41 citations , June 2003 in “Journal of The American Academy of Dermatology”

This case report describes a patient who developed pseudoacromegaly from long-term use of high-dose minoxidil, marking the first such documented case.

research Hypertrichosis in Females Applying Minoxidil Topical Solution and in Normal Controls

63 citations , April 2003 in “Journal of The European Academy of Dermatology and Venereology”

This study found that minoxidil topical solution was associated with a dose-related occurrence of hypertrichosis, especially facial hair, in women treated for androgenetic alopecia.

A Randomized Clinical Trial of 5% Topical Minoxidil Versus 2% Topical Minoxidil and Placebo in the Treatment of Androgenetic Alopecia in Men

research A Randomized Clinical Trial of 5% Topical Minoxidil Versus 2% Topical Minoxidil and Placebo in the Treatment of Androgenetic Alopecia in Men

269 citations , August 2002 in “Journal of The American Academy of Dermatology”

This study found that 5% topical minoxidil significantly increased hair regrowth and improved psychosocial perceptions of hair loss in men with androgenetic alopecia compared to 2% topical minoxidil and placebo over 48 weeks.

research Is Loose Anagen Hair Syndrome a Keratin Disorder?

84 citations , April 2002 in “Archives of Dermatology”

This study found that a keratin mutation may cause diffuse partial woolly hair associated with loose anagen hair syndrome in some families, but other genetic factors could play a role in different cases.

research A Randomized Trial of Minoxidil in Chemotherapy-Induced Alopecia

127 citations , July 1996 in “Journal of The American Academy of Dermatology”

This study found that in women undergoing chemotherapy after breast surgery, topical minoxidil significantly shortened the duration of hair loss compared to a placebo without significant side effects.

research Androgenetic Alopecia in the Female

82 citations , March 1994 in “Archives of Dermatology”

This study found that a 2% topical minoxidil solution significantly increased hair regrowth compared to placebo in women with androgenetic alopecia over 32 weeks.

research Use of Topical Minoxidil Therapy for Androgenetic Alopecia in Women

58 citations , October 1993 in “International Journal of Dermatology”

This study found that 2% topical minoxidil solution was significantly more effective than placebo in promoting new hair growth in women with androgenetic alopecia.

research Potassium Channel Conductance as a Control Mechanism in Hair Follicles

42 citations , July 1993 in “Journal of Investigative Dermatology”

research Minoxidil Sulfate Is the Active Metabolite That Stimulates Hair Follicles

166 citations , November 1990 in “Journal of Investigative Dermatology”

Minoxidil sulfate stimulates hair growth.

research Relationship Between Contact Time of Applied Dose and Percutaneous Absorption of Minoxidil From a Topical Solution

25 citations , June 1990 in “Journal of Pharmaceutical Sciences”

This study found that minoxidil absorption through the skin increased with longer contact times, reaching over 75% of the maximum absorption within four hours.

research Five-Year Follow-Up of Men with Androgenetic Alopecia Treated with Topical Minoxidil

70 citations , April 1990 in “Journal of The American Academy of Dermatology”

Minoxidil treatment increased hair growth for up to 5 years, requiring twice daily application.

research Influence of Tretinoin on the Percutaneous Absorption of Minoxidil from an Aqueous Topical Solution

30 citations , April 1990 in “Clinical Pharmacology & Therapeutics”

This study found that coadministering minoxidil with tretinoin cream increased minoxidil absorption nearly threefold in healthy males, attributed to increased stratum corneum permeability.