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Is the Safety of Finasteride Correlated With Its Route of Administration: Topical Versus Oral? A Pharmacovigilance Study With Data From the United States Food and Drug Administration Adverse Event Reporting System

research Is the Safety of Finasteride Correlated With Its Route of Administration: Topical Versus Oral? A Pharmacovigilance Study With Data From the United States Food and Drug Administration Adverse Event Reporting System

July 2025 in “International Journal of Dermatology”

In this study, analysis of FDA adverse event reports revealed that topical finasteride was associated with fewer post-finasteride syndrome-like adverse events than oral finasteride, but many reports lack critical data, suggesting caution in attributing causality.

research NEW STRATEGIES FOR THE USE OF TOPICAL PRODUCTS IN THE TREATMENT OF ANDROGENETIC ALOPECIA

January 2022 in “International Journal of Health Science”

The authors of this study aim to evaluate the strategies for using topical products in treating androgenetic alopecia, highlighting topical applications as potentially more effective and convenient compared to oral medications, which often suffer from poor patient adherence.

Therapeutic Applications of Nanoemulsion-Based Drug Delivery Systems: A Review of Patents in the Last Two Decades

research Therapeutic Applications of Nanoemulsion Based Drug Delivery Systems: A Review of Patents in Last Two Decades

39 citations , April 2011 in “Recent Patents on Drug Delivery & Formulation”

This review discusses various applications of nanoemulsions in drug delivery and reports no new clinical results; it highlights the patents that cover these applications.

research Penetration and Distribution in Human Skin Focusing on the Hair Follicle

1 citations , July 2005 in “Drugs and the pharmaceutical sciences”

Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.

research Hair: A Review of Prominent Scalp Hair Changes throughout a Females’ Life

January 2014 in “Journal of Pigmentary Disorders”

This review discusses age-related and environmental factors affecting scalp hair changes in women, highlighting diagnostic complexities and ongoing research into targeted treatments, without reporting new clinical results.

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Community Join

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community Been doing daily 3% topical peppermint oil for 6+ months (never used minoxidil). Have had growth that seems as good as minoxidil. Might strenghten the idea that peppermint is a good low-cost treatment, that potentially works by another route than minoxidil.

15 upvotes 4 years ago

The user has been using finasteride, nizoral, microneedling, and recently added 3% peppermint oil to their hair loss treatment, experiencing regrowth similar to minoxidil. They suggest peppermint oil as a potentially effective, low-cost alternative or addition to minoxidil, with the added benefit of a pleasant smell and ease of use.

community Oral vs topical Minoxidil question

in Treatment 8 upvotes 1 month ago

Oral minoxidil may be easier to use than topical, but effectiveness varies by individual. Some prefer oral due to safety concerns for pets, while others find topical with tretinoin more targeted for scalp hair growth.

community Has anyone actually combined Oral AND Topical Fin/Dut + Minoxidil? Studies vs. Real-world results.

5 upvotes 1 week ago

Combining oral and topical Finasteride, Dutasteride, and Minoxidil can enhance hair density, but stacking both oral and topical Minoxidil offers no significant benefit and may increase side effects. Topical Dutasteride is more effective than oral Finasteride, and oral Dutasteride is ranked as the most effective treatment.

community Topical Finasteride Doesn't Directly Reduce 5ar Enzyme on Scalp

in Finasteride/Dutasteride 72 upvotes 3 years ago

Topical Finasteride doesn't directly reduce 5ar enzyme on scalp and has the same mechanism as oral, needing to go through the liver. Users debate the accuracy of this information and discuss various studies and experiences.

community Starting With "Strut" Topical: Dut %0.1 + Min %7.5 + Tretinoin %0.0125 + Biotin (and more)

9 upvotes 5 years ago

The user started a hair loss treatment with a topical solution containing 0.1% Dutasteride, 7.5% Minoxidil, 0.0125% Tretinoin, and Biotin, along with a multivitamin, Ashwagandha, CBD oil, Retinol, and Caffeine Solution. They experienced some shedding and scalp irritation, leading to a reduction in the use of the caffeine solution.

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Learn

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learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

Is Osteopontin more effective in topical treatments or oral supplements for hair loss? Neither route has been tested: there is no published human trial of topical or oral osteopontin for hair loss. The evidence is preclinical, and it points both ways — injected osteopontin promoted hair growth in mice, while an osteopontin-derived peptide suppressed growth in human scalp tissue and is being developed to remove unwanted hair.

learn Folic acid

Is there a difference between taking folic acid supplements and using folic acid in topical hair products? Oral folic acid uses the body's normal absorption route and can correct a measured deficiency, but no published trial shows it treats hair loss; topical folic acid has no human evidence for hair growth and struggles to cross the skin barrier at all.

learn Ecklonia Cava

Is Ecklonia Cava better taken orally or applied topically for thinning hair? There is no human trial of Ecklonia cava for hair loss by either route, so neither oral nor topical use is established; the published work is laboratory studies on human cells and topical studies in mice.

learn Ginkgo biloba

Should ginkgo biloba be taken orally or applied topically for hair loss? No published human trial has tested ginkgo biloba for hair loss by either route, so neither oral nor topical use can be recommended over the other; the oral route also has a documented bleeding interaction with anticoagulants and antiplatelet drugs.

learn Tofacitinib

How does tofacitinib differ when used orally versus topically in hair loss treatment research? Oral tofacitinib acts on immune signalling throughout the body and has the stronger regrowth evidence in alopecia areata, alongside an FDA boxed warning; topical tofacitinib aims to act only on the scalp, but the human evidence is a handful of small compounded-formulation studies with no large randomized trial. Neither route is approved for hair loss, and regrowth generally reverses after treatment stops.

learn Overview

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

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