The Pure Line Journal

Patient education,
without the noise.

Clear explanations on hair restoration, recovery, and long-term planning — written from the same careful approach we bring to every consultation.

Pure Line Journal — clinical knowledge hub

15 articles

Dutasteride vs Finasteride for Hair Loss: Which One Do I Actually Prefer?
2026-08-08 Hair Loss & Treatments

Dutasteride vs Finasteride for Hair Loss: Which One Do I Actually Prefer?

Dr. Mesut Demir compares dutasteride vs finasteride for hair loss: DHT suppression, real efficacy data, side effects, and when he switches a patient.

17 min read
How Common Are Finasteride Side Effects, Really?
2026-08-07 Hair Loss & Treatments

How Common Are Finasteride Side Effects, Really?

How common are finasteride side effects? Dr. Mesut Demir on the real rates, placebo data, lower doses and topical finasteride.

20 min read
What Is Finasteride for Hair Loss and How Does It Work?
2026-08-06 Hair Loss & Treatments

What Is Finasteride for Hair Loss and How Does It Work?

Dr. Mesut Demir explains how finasteride lowers DHT, why 1 mg is the standard dose for hair loss, and what results to realistically expect.

16 min read
Clascoterone for Hair Loss: Do the Phase 3 Results Live Up to the Hype?
2026-08-05 Hair Loss & Treatments

Clascoterone for Hair Loss: Do the Phase 3 Results Live Up to the Hype?

Does clascoterone work for male pattern hair loss? Dr. Mesut Demir reviews the Breezula Phase 3 results, the safety data and the widely reported 539% claim.

29 min read
Regenera Activa for Hair Loss: 5 Reasons Results May Disappoint
2026-08-03 Hair Loss & Treatments

Regenera Activa for Hair Loss: 5 Reasons Results May Disappoint

Dr. Mesut Demir explains why Regenera Activa may not deliver the expected result, who is suitable, what it can realistically achieve and why diagnosis matters.

26 min read
Microneedling for Hair Loss: Does It Work and Is It Safe?
2026-08-02 Hair Loss & Treatments

Microneedling for Hair Loss: Does It Work and Is It Safe?

Dr. Mesut Demir explains whether scalp microneedling can regrow hair, how it works with minoxidil, its risks, and why at-home dermarolling deserves caution.

31 min read
DHI vs FUE Hair Transplant: Marketing Myths Patients Should Know
2026-07-29 Surgery & Planning

DHI vs FUE Hair Transplant: Marketing Myths Patients Should Know

Is DHI really better than FUE? Dr. Mesut Demir explains what these terms mean, how DHI and metal slit work, and which marketing claims to question.

33 min read
Why I Usually Advise Men Against Lowering Their Hairline
2026-07-26 Surgery & Planning

Why I Usually Advise Men Against Lowering Their Hairline

Dr. Mesut Demir explains why lowering a man's hairline too aggressively can waste donor grafts, age poorly and create problems as hair loss progresses.

21 min read
Hair Transplantation and Epilepsy: When It May Be Possible, and When It Should Wait
2026-07-09 Recovery & Safety

Hair Transplantation and Epilepsy: When It May Be Possible, and When It Should Wait

Dr. Mesut Demir explains when hair transplantation may be considered with epilepsy, why neurologist input matters and when surgery should wait.

13 min read
Post-Operative Redness After Hair Transplant: Why It Happens, How Long It Lasts, and When to Act
2026-07-09 Recovery & Safety

Post-Operative Redness After Hair Transplant: Why It Happens, How Long It Lasts, and When to Act

Dr. Mesut Demir explains normal redness after a hair transplant, expected healing timelines and warning signs that need medical attention.

14 min read
Testosterone, Steroids, and Hair Transplantation: What Patients Should Understand Before Surgery
2026-07-03 Recovery & Safety

Testosterone, Steroids, and Hair Transplantation: What Patients Should Understand Before Surgery

Dr. Mesut Demir explains how testosterone therapy and anabolic steroids may affect hair loss, candidacy and surgical timing.

15 min read
Why Crown Hair Transplant Results Can Take Longer
2026-05-28 Surgery & Planning

Why Crown Hair Transplant Results Can Take Longer

Why do crown hair transplant results take longer? Dr. Mesut Demir explains vertex growth, density, timelines and realistic planning.

14 min read
Does Scalp Inflammation Affect Hair Transplant Success?
2026-04-24 Recovery & Safety

Does Scalp Inflammation Affect Hair Transplant Success?

Dr. Mesut Demir explains how scalp inflammation can affect hair transplant planning, healing and the timing of surgery.

10 min read
The Norwood Scale Explained
2026-04-21 Hair Loss & Treatments

The Norwood Scale Explained

Dr. Mesut Demir explains what each Norwood stage means for hair transplant planning, donor capacity and realistic long-term coverage.

9 min read
Seborrheic Dermatitis and Hair Transplantation
2026-04-21 Recovery & Safety

Seborrheic Dermatitis and Hair Transplantation

Dr. Mesut Demir explains how seborrheic dermatitis affects hair transplant timing, preparation and aftercare.

7 min read
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