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Physician-reviewed guides to hair loss treatment, backed by clinical evidence.

All 10 guides

Finasteride

Topical Finasteride in Canada: 2026 Guide

Topical finasteride is emerging as an option for Canadians who want finasteride’s hair-saving benefits but worry about systemic side effects. This 2026 guide breaks down how it works, reviews the clinical evidence, and how topical finasteride can be accessed in Canada. It also includes information that Canadians should know before using it.

Causes of hair loss

Diffuse Thinning: What It Is, Why It Happens, and the Best Treatments

Diffuse thinning is characterized by hair loss all over the scalp rather than a specific bald spot. While often mistaken for standard male pattern baldness, it can be caused by a variety of other factors including other genetic predispositions. Learn how to identify the signs, understand the triggers, and explore options for treatment.

Living with hair loss

How to Boost Confidence While Coping with Hair Loss

The feelings that come with noticing hair loss can be uncomfortable and hard to talk about, but there are practical things that patients can do to help boost confidence and manage some of the negative emotions that can come with thinning hair. This article examines the psychosocial effects of hair loss and offers a step-by-step guide to building back confidence.

Causes of hair loss

How to Stop Hair Loss from Antidepressants

Globally the number of people taking antidepressants is rising, but like most medications, there are possible side effects. One that's gained attention recently is hair loss. While a direct causal link hasn't been established, there are concerns that hair loss could exacerbate existing mental health challenges or force a decision to be made between treatments. This article explores the possible link between antidepressant use and hair loss, whether this hair loss is permanent, and what can be done about it.

Pattern hair loss basics

When Is the Best Time to Start Hair Loss Treatment?

Pattern hair loss is a progressive condition and earlier intervention is typically recommended for an optimal treatment response. This article covers some frequently asked questions about the best time to start treatment, signs to look out for, and whether there is a link between timing hair loss intervention and treatment success.

Genetics and Male Pattern Hair Loss: An Interview with Dr. Jerry Cooley

Dr. Simon Pimstone is joined by Dr. Jerry Cooley, a pioneer in the field of surgical hair transplantation and lead surgeon at the Cooley Hair Centre for a conversation around the latest research and guidance on the causes and treatment of hair loss, as well as a deep dive into the complex relationship between DHT and thinning.

Causes of hair loss

Is My Hairline Mature or Receding?

Noticing changes in your hairline may be an early sign of a receding hairline, and androgenetic alopecia may be the cause. The good news is, there are many effective treatment options available, but early intervention is key. This article helps differentiate a mature hairline from a receding one and provides recommendations for how to retain hair here.

Pattern hair loss basics

What Is Androgenetic Alopecia?

Androgenetic alopecia (AGA) is a form of hereditary hair loss that typically results in balding along the hairline, temples, and the top of the head. It's a progressive condition that can start anytime after puberty and affects approximately 50% of men by the age of 50, with a higher incidence among Caucasian men. It's primarily caused by the androgen dihydrotestosterone (DHT) and can be managed through the use of 5-alpha reductase inhibitors such as finasteride.

Pattern hair loss basics

What is the Hamilton-Norwood scale?

These patterns of shedding observed with androgenetic alopecia (male pattern hair loss) have been formalized in a clinical scale called the Norwood scale. The scale consists of 7 main stages of hair loss with several other distinct variants. It is an important tool that can be used to help assess severity and progression of hair loss, and guide which interventions are likely to help.

Pattern hair loss basics

DHT and Hair Loss

DHT (dihydrotestosterone) is the male sex steroid hormone primarily responsible for male pattern hair loss. DHT levels are modulated by DHT production and metabolism, which are processes dictated by genetics. This article discusses what DHT is, the role that it plays in human biology, and provides a high level explanation of its involvement in the development and progression of pattern hair loss.