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Explore the science behind hair loss and hair growth. Our in-depth articles cover topics ranging from natural remedies to pharmaceuticals to breakthroughs in hair loss science. Want to request an article topic? Contact us.

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Topical Dutasteride Before and After: 10 Successes
By Perfect Hair Health Team
Sep 24, 2025

Topical Dutasteride Before and After: 10 Successes

Recent clinical data show that topical dutasteride offers promising hair regrowth and reduced side effects, but results vary widely, and more research is needed. Learn how to interpret anecdotal stories, set realistic goals, and combine therapies for the best outcomes....
Minoxidil Before and After Photos [2025] | Does It Work?
By Perfect Hair Health Team
Sep 24, 2025

Minoxidil Before and After Photos [2025] | Does It Work?

Topical minoxidil is the most widely used hair loss treatment, with decades of clinical evidence supporting its effectiveness. But while many experience stabilization and regrowth, others see little to no change. Learn why minoxidil response is so variable, how to interpret before-and-after photos, ...
Dutasteride Before and After: 10 Success Stories
By Perfect Hair Health Team
Sep 10, 2025

Dutasteride Before and After: 10 Success Stories

Oral dutasteride is one of the most powerful treatments for androgenic alopecia, offering deeper DHT suppression than finasteride. But what kind of results should you realistically expect? In this article, we break down how dutasteride works, what clinical studies actually show, how typical outcomes...
Topical Minoxidil for Hair Growth: Efficacy, Safety, and How to Enhance Results
By Sarah King, PhD
Jul 16, 2025

Topical Minoxidil for Hair Growth: Efficacy, Safety, and How to Enhance Results

Topical minoxidil is the most established over-the-counter treatment for hair loss, with decades of use behind its FDA approval. But how does it actually work, and what determines whether it will work for you? In this article, we explore the science behind topical minoxidil, its strengths and limita...
Does Retinoic Acid (Tretinoin) Improve Hair Growth From Minoxidil?
By Sarah King, PhD
May 5, 2025

Does Retinoic Acid (Tretinoin) Improve Hair Growth From Minoxidil?

Retinoic acid, a biologically active form of vitamin A, has long been known for its role in skin health, but could it also help with hair loss? In this article, we explore the science behind retinoic acid and its derivative tretinoin, their effects on hair follicle stem cells, and whether clinical s...
Scalp Psoriasis: Symptoms, Causes, and Effects on Hair Loss
By Sarah King, PhD
Mar 25, 2025

Scalp Psoriasis: Symptoms, Causes, and Effects on Hair Loss

Scalp psoriasis goes beyond surface-level flaking; it’s a chronic autoimmune condition driven by genetic and immune system factors. From thick plaques and itching to potential hair loss, it can seriously impact daily life. Curious about what causes it, how to tell it apart from similar conditions, a...
Hair Loss Breakthroughs or Media Hype? Stem Cell Secretome Treatments
By Sarah King, PhD
Mar 4, 2025

Hair Loss Breakthroughs or Media Hype? Stem Cell Secretome Treatments

Stem cell secretome treatments are making headlines as the next big breakthrough in hair regrowth—but do they really work? While the science behind exosomes and growth factors sounds promising, media hype often overshadows the need for rigorous clinical trials. Curious about the real evidence behind...
Burdock Root For Hair Loss? A Look Into The Evidence
By Ben Fletcher, PhD
Jan 13, 2025

Burdock Root For Hair Loss? A Look Into The Evidence

Burdock root, derived from the plant Arctium lappa, has long been used in traditional medicine for its purported anti-inflammatory, antimicrobial, and antioxidant properties. In recent years, it has been included in natural hair loss treatments, with claims that it promotes hair growth. Some studies...
Which Vitamin Deficiences Can Cause Hair Loss?
By Sarah King, PhD
Dec 11, 2024

Which Vitamin Deficiences Can Cause Hair Loss?

Hair loss is a complex issue influenced by various factors, including vitamin deficiencies. We explored the impact (or lack thereof) of deficiencies in five vitamins – Vitamin D, Biotin, Vitamin B12, Vitamin E, and Vitamin A – on hair health and whether supplementation can aid hair regrowth. While d...
Creatine: Does It Worsen Hair Loss? It Depends On The Hair Loss Type. – 2025 Update
By Sarah King, PhD
Sep 27, 2024

Creatine: Does It Worsen Hair Loss? It Depends On The Hair Loss Type. – 2025 Update

Creatine, a substance that supports energy production in the muscles and brain, is commonly used as a supplement to boost athletic performance. However, its potential link to hair loss has raised concerns, particularly due to its effect on dihydrotestosterone (DHT), a hormone associated with androge...

Stop guessing which hair loss
treatments actually work

Instead, just read our cheat sheet

You’ll get the facts on nine “natural” and “conventional” hair loss treatments: how they work, how much hair they’ll regrow, their limitations, and what their marketers don’t want you know.