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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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How to Reduce the Risk of Finasteride Side Effects
By Perfect Hair Health Team
Jan 10, 2023

How to Reduce the Risk of Finasteride Side Effects

Finasteride is an FDA-approved drug for androgenic alopecia. For a portion of men using finasteride, side effects can occur – most often in the form of sexual side effects, enlarged male breasts, lowered sperm counts, and erectile dysfunction. Fortunately, there are several strategies that can be em...
Microneedling Infection: Is the Scalp at Risk?
By Perfect Hair Health Team
Jan 10, 2023

Microneedling Infection: Is the Scalp at Risk?

Microneedling is a popular way to combat hair loss and promote hair growth. It creates low levels of inflammation in the scalp tissue, which triggers an adaptive response in the body; growth factors and signaling proteins are recruited for wound repair. However, as with any wound (no matter how smal...
I Am Experiencing Side Effects From Topical Minoxidil. What Should I Do?
By Perfect Hair Health Team
Nov 24, 2022

I Am Experiencing Side Effects From Topical Minoxidil. What Should I Do?

Topical minoxidil is one of the only FDA-approved drugs for androgenic alopecia. Unfortunately, topical minoxidil appears to induce skin irritation in 2-7% of users, with online users also reporting accelerated aging and/or a worsening of under-eye bags. A small percentage of users have also experie...
Finasteride For Women: What’s The Perfect Dose?
By Richard Clayton, PhD
Oct 25, 2022

Finasteride For Women: What’s The Perfect Dose?

Oral finasteride is an effective treatment for male pattern hair loss, also known as androgenic alopecia. However, the drug’s benefits to female pattern hair loss are less clear. Some studies show that females taking between 1.0 to 5.0 mg of finasteride daily improve their hair loss, while oth...
Topical Latanoprost For Hair Loss: Results, Doses, & Side Effect Concerns
By Perfect Hair Health Team
Sep 30, 2022

Topical Latanoprost For Hair Loss: Results, Doses, & Side Effect Concerns

For androgenic alopecia, clinical studies suggest that ~0.1 mg daily of topical latanoprost can improve hair counts, with visual improvements occurring in 30-50% of hair loss patients over 6-8 months. Telehealth brands are prescribin doses 10-20 times higher than what was clinically studied, thus po...
PDO Hair Treatment: Examining Threads of Evidence
By Perfect Hair Health Team
Sep 27, 2022

PDO Hair Treatment: Examining Threads of Evidence

PDO (Polydioxanone) monofilament threading offers a quick and relatively painless option for those seeking hair loss treatments that don’t require lengthy procedures and recovery periods. Some practitioners claim it can reduce hair loss and promote new growth within 30 days of treatment. PDO h...
How to Apply Topical Finasteride for Maximum Absorption
By Perfect Hair Health Team
Sep 20, 2022

How to Apply Topical Finasteride for Maximum Absorption

Topical finasteride has quickly become one of the most popular hair growth solutions, and for good reason. After all, it has been proven to inhibit the action of 5-alpha-reductase, the enzyme that induces follicle-shrinking DHT. However, as some Perfect Hair Health members have reported, instruction...
Microneedling For Hair Loss: 5 Strategies to Reduce Pain
By Perfect Hair Health Team
Sep 16, 2022

Microneedling For Hair Loss: 5 Strategies to Reduce Pain

Microneedling is an experimental therapy for androgenic alopecia and other hair loss disorders. One of its downsides is that it is painful to administer. However, there are simple and effective strategies to reduce pain levels while microneedling across the scalp:(1) opting for devices that ensure n...
Anxiety Medications, Antidepressants and Their Connection To Hair Loss
By Perfect Hair Health Team
May 21, 2022

Anxiety Medications, Antidepressants and Their Connection To Hair Loss

The Perfect Hair Health team reviewed the literature to assess the true rate of medication-induced hair loss associated with the most commonly prescribed antidepressants and anxiety-related medications. What we found was mostly a handful of case reports involving a single individual that link hair l...
Parts of the Scalp: A Guide to the Anatomy, Mechanics, and New Treatment Possibilities
By Perfect Hair Health Team
May 19, 2022

Parts of the Scalp: A Guide to the Anatomy, Mechanics, and New Treatment Possibilities

This article takes a detailed tour of scalp anatomy – the regions of the scalp, the muscles, the arteries, the nerves, and the scalp layers. Then we’ll explore the evidence supporting a possible connection between relaxed muscles, scalp mechanics, and hair growth.

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.