Does Minoxidil Work? How Long Do I Need to Wait Till It Does?

Reading time -

Hair loss is a common concern for both men and women, with various factors contributing to the condition, such as genetics, hormones, and age. It can happen suddenly or slowly over time. Among the numerous treatments available to combat hair loss, Minoxidil has gained significant attention for its effectiveness in promoting hair regrowth.

Here we will provide a brief overview of hair loss and how Minoxidil works, discuss the timeline for its effectiveness, and touch on the benefits and potential side effects of the treatment. If you’re looking to try Minoxidil, get in contact with us today! Our Canadian men’s telehealth services are 100% online, so you can get your hair back without even visiting a doctor’s office.

I. Understanding Hair Loss and Minoxidil's Role

Hair loss, also known as alopecia, is a common concern affecting millions of people worldwide. It manifests itself in various forms, including thinning hair, a receding hairline, and even complete baldness. To better comprehend the effectiveness of Minoxidil as a hair loss treatment, it is essential to first understand the nature of hair loss and the various factors that contribute to it.

The Science Behind Hair Loss

Hair loss occurs when hair follicles, the small, sac-like structures from which hair grows, stop producing new hair or when the existing hair falls out at a faster rate than normal. Hair growth occurs in cycles, consisting of three main phases: the anagen (growth) phase, the catagen (transition) phase, and the telogen (resting) phase. Hair loss can be attributed to disruptions in this cycle or to damage to the hair follicles themselves.

Several factors can contribute to hair loss, including:

Genetics: A family history of hair loss can predispose individuals to a higher risk of experiencing hair thinning and baldness.

Hormonal imbalances: An overproduction of Dihydrotestosterone (DHT), a hormone derived from testosterone, can cause hair follicles to shrink, leading to thinner, weaker hair strands and eventually hair loss. This is particularly common in male and female pattern baldness (androgenetic alopecia).

Aging: As we age, our hair follicles can become less active, leading to a reduction in hair production and a gradual thinning of the hair.

Nutritional deficiencies: A lack of essential nutrients, such as iron, zinc, and proteins, can contribute to hair loss.

Medical conditions and medications: Certain medical conditions, like thyroid disorders, and medications can cause hair loss as a side effect.

Stress: Physical or emotional stress can trigger temporary hair loss.

Minoxidil's Role in Combating Hair Loss

Minoxidil, an FDA-approved topical treatment, has emerged as a popular solution to address hair loss. Initially developed as an oral medication for high blood pressure, it was later discovered to have the side effect of promoting hair growth. Today, Minoxidil is available as a topical solution or foam specifically designed to treat hair loss.

Minoxidil addresses hair loss by targeting hair follicles in several ways:

Stimulating hair follicles: Minoxidil reactivates dormant hair follicles, prompting them to enter the anagen phase, which encourages new hair growth.

Extending the growth phase: By prolonging the anagen phase, Minoxidil allows hair to grow longer and thicker, making it less susceptible to breakage and shedding.

Increasing blood flow: Minoxidil is a vasodilator, meaning it widens blood vessels, increasing blood flow to the hair follicles. This enhanced blood flow delivers more nutrients and oxygen to the hair follicles, promoting healthier hair growth.

Reducing the effect of DHT: Although not a primary function, Minoxidil may help to mitigate the negative effects of DHT on hair follicles, reducing hair thinning and loss caused by hormonal imbalances.

Although the exact mechanism through which Minoxidil promotes hair growth is not fully understood, clinical studies and real-world experiences have demonstrated its effectiveness in treating hair loss for many individuals.

By addressing multiple factors that contribute to hair loss, Minoxidil provides a comprehensive approach to combating hair thinning and promoting regrowth.

Minoxidil's Effectiveness Across Different Types of Hair Loss

Minoxidil's effectiveness as a hair loss treatment is not universal, as it works better for certain types of hair loss than others. Below is an overview of its efficacy across various forms of alopecia:

Androgenetic Alopecia: Minoxidil has demonstrated the most success in treating male and female pattern baldness, which is primarily caused by hormonal factors such as DHT. Regular use of Minoxidil has been shown to slow down hair loss and promote regrowth in many individuals affected by androgenetic alopecia.

Alopecia Areata: This is an autoimmune condition characterized by patchy hair loss. While Minoxidil's efficacy in treating alopecia areata is not as well-established as it is for androgenetic alopecia, some studies have shown that it can help stimulate hair regrowth in affected areas.

Traction Alopecia: Caused by excessive tension or pulling on the hair, traction alopecia results from hairstyles such as tight ponytails or braids. Minoxidil may be effective in treating traction alopecia, particularly when combined with a change in hairstyling habits to reduce stress on the hair follicles.

Telogen Effluvium: This form of temporary hair loss is typically triggered by stress, illness, or significant life events. Minoxidil may help to stimulate hair regrowth in individuals with telogen effluvium, but the condition often resolves on its own without treatment.

The Importance of Early Intervention and Consistent Use

Minoxidil is most effective when used in the early stages of hair loss. This is because the treatment primarily targets hair follicles that are still functional but may be dormant or less active. In cases of advanced hair loss or complete baldness, the hair follicles may be irreversibly damaged, rendering Minoxidil less effective.

Consistency in using Minoxidil is crucial to achieving the best possible results. This means applying the treatment as directed, typically twice a day, without skipping applications. Discontinuing Minoxidil treatment can lead to the reversal of any hair regrowth achieved, as hair follicles may return to their previous state.

II. The Timeline: When Does Minoxidil Start to Work?

Minoxidil's effectiveness and the timeline for visible results can vary significantly from person to person, depending on factors such as the severity of hair loss, the cause of hair loss, and individual responsiveness to the treatment. However, there are general timeframes that can help set expectations for when Minoxidil may begin to work:

Initial Improvements (2-4 months): During the first few months of consistent Minoxidil use, users may start to observe minor improvements in their hair loss, such as a decrease in shedding or a slight thickening of existing hair. This early stage is essential in establishing a consistent application routine and allowing the treatment to start taking effect.

Noticeable Hair Regrowth (6-12 months): More significant results, such as visible hair regrowth and increased hair density, typically occur after 6 to 12 months of continued Minoxidil application. Patience is key during this period, as hair growth is a gradual process, and results may not be immediately apparent.

Optimal Results (12-24 months): Users who consistently apply Minoxidil for an extended period, often up to 2 years, are more likely to achieve the best possible results. This is the stage when hair regrowth may be most substantial, and the slowing of hair loss is most evident.

It is important to note that these timeframes are general guidelines, and individual experiences may differ. Some users may see results sooner, while others may take longer to notice improvements. Additionally, it is essential to maintain regular use of Minoxidil throughout the treatment period, as stopping the treatment can result in a reversal of any hair regrowth achieved.

III. Effectiveness, Benefits, and Side Effects of Minoxidil

Minoxidil has been widely recognized for its effectiveness in promoting hair regrowth and slowing hair loss, especially in cases of androgenetic alopecia. As with any treatment, it is essential to consider both the benefits and potential side effects when evaluating Minoxidil as a solution for hair loss concerns.


Minoxidil is most effective in treating hair loss caused by androgenetic alopecia (male and female pattern baldness). Clinical studies have shown that with consistent use, Minoxidil can slow down hair loss and promote hair regrowth in many individuals. It is important to note that Minoxidil works best in the early stages of hair loss and may not be as effective for advanced cases or complete baldness. Minoxidil's efficacy can also vary depending on the cause of hair loss and individual responsiveness to the treatment.


Some of the benefits associated with Minoxidil use include:

Non-invasive and easy to use: Minoxidil is a topical treatment available as a liquid or foam, making it simple to apply directly to the scalp without any invasive procedures.

Over-the-counter availability: Minoxidil can be purchased without a prescription, making it easily accessible for those seeking a hair loss treatment.

Slowing down hair loss: Regular use of Minoxidil can help slow down the progression of hair loss, allowing individuals to retain more of their existing hair.

Encouraging hair regrowth: Minoxidil stimulates hair follicles and promotes hair regrowth, helping to reverse the effects of hair loss in many cases.

Side Effects

While Minoxidil is generally well-tolerated, some users may experience side effects, particularly during the initial stages of treatment. Common side effects include:

Temporary hair thinning: Some users may notice an increase in hair shedding during the first few weeks of Minoxidil use. This is typically due to the shedding of older hairs as new, healthier hairs grow in their place.

Scalp irritation: Minoxidil can cause itching, redness, or dryness on the scalp in some users. Switching to a lower concentration or using a foam formulation may help alleviate these symptoms.

Unwanted hair growth: Minoxidil can sometimes cause hair growth in areas where it was unintentionally applied, such as the forehead or cheeks. To avoid this, it is crucial to carefully apply Minoxidil to the affected areas of the scalp.

In rare cases, users may experience more severe side effects such as rapid heart rate, chest pain, dizziness, or swelling in the hands and feet. If any of these symptoms occur, it is recommended to discontinue use and consult a medical professional immediately.

In conclusion, Minoxidil is an effective treatment for many individuals experiencing hair loss, offering numerous benefits such as ease of use, over-the-counter availability, and hair regrowth promotion. However, it is crucial to weigh the benefits against the potential side effects and to consider the individual nature of hair loss when determining if Minoxidil is the right solution for your specific concerns.

Hair Loss?
No problem

Let’s help you Rise Again
Start Your Assessment

Got ED?
No problem

Let’s help you Rise Again
Start Your Assessment
This blog post is for educational purposes only and does not constitute medical or other professional advice. Your specific circumstances should be discussed with a healthcare provider. All statements of opinion represent the writers' judgement at the time of publication and are subject to change. Phoenix and its affiliates provide no express or implied endorsements of third parties or their advice, opinions, information, products, or services.

Subscribe to our newsletter

Receive a weekly newsletters with insightful tips and resources

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.