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POSTED: 11 Jul 2024

Dutasteride for Hair Loss, Can it Really Help with Regrowth Where Others Failed?

Hair loss is common but can be distressing, especially when traditional treatments haven’t worked. There are so many treatments available that it’s easier to find a solution for each person’s individual needs. However, what happens when the best known treatments, including , have failed? is available in oral or form and is increasingly getting attention for its power to combat hair loss. In this article, we’ll explore how dutasteride can help with hair regrowth and . We’ll also discuss who dutasteride is suitable for, what results you can expect and the side effects of this treatment.

A Quick Guide to Hair Loss

Hair loss, or alopecia, . It can manifest in various forms, including ( or pattern baldness), (full or patchy baldness) and (hair shedding). It can be permanent and progressive or temporary, depending on the underlying cause.


The most common type of hair loss is androgenetic alopecia, which is due to genetic and hormonal factors. In those who are susceptible, the hormone dihydrotestosterone (DHT) binds to hair follicles and causes them to shrink, weaken and eventually stop hair.

What is Dutasteride & How Does It Treat Hair Loss?

Dutasteride is a prescription-only medication that inhibits the conversion of testosterone to . It does so by blocking the action of the enzyme 5-alpha-reductase. It was initially developed and approved for the treatment of benign prostatic hyperplasia (enlarged prostate). Although it doesn’t have FDA approval for hair loss, doctors use it in some cases to treat androgenetic alopecia.


The main way dutasteride works is by inhibiting both type 1 and type 2 forms of the 5-alpha-reductase enzyme. This leads to a significant reduction in DHT levels. This lowering of DHT helps reduce the . In turn, this slows hair loss and thicker, healthier hair. Compared with finasteride, another 5-alpha-reductase inhibitor that only inhibits the type 2 form of the enzyme, dutasteride fares better for hair regrowth. Studies have shown that dutasteride is more effective at reducing DHT levels, which makes it a potentially more potent treatment for hair loss. However, for the time being, only finasteride is licensed for hair loss.

How Effective is It?

clinical studies have demonstrated the in promoting hair regrowth. Additionally, in studies, dutasteride 0.5 mg daily seems to be than finasteride 1 mg daily. It increased both hair count and scalp coverage. Patients typically notice improvements in hair density and thickness within six months, with progress over a year or more. Long-term studies indicate that dutasteride if used consistently. Users reported sustained hair regrowth and minimal progression of hair loss with ongoing use. This potentially makes it a viable long-term solution for those struggling with androgenetic alopecia.

What Results to Expect from Dutasteride Treatment

Dutasteride, like any hair loss treatment, requires patience. In fact, during the first three months, many users may not notice significant changes. This is because it takes time for the medication to begin reducing DHT levels, halting further hair loss and promoting regrowth. These are the main phases of hair regrowth with :


It’s important to note that individual responses to dutasteride (as with any medication) can vary. Whilst some may experience dramatic changes, others might see more progress. Factors such as age, the extent of hair loss and overall health can influence the outcome. Adhering to the treatment protocol and keeping your provider updated on your progress is the best way to maximise success.

Potential Side Effects and Risks

Dutasteride is a highly effective medication for treating hair loss, but like any medication, it comes with potential side effects. When used correctly and for the right patient, serious side effects are rare. However, it’s crucial to fully understand these risks if you’re treatment. The side effects of dutasteride include the following:


There are also some , which include the following:


There are also some :


To reduce the risk and manage side effects, a healthcare provider before starting dutasteride. They can then check if it suits you. Regular monitoring and open communication with your clinician can help address any concerns or side effects early on.

Who is Dutasteride Hair Loss Treatment Best For?

Despite its potential for treating androgenetic alopecia, who dutasteride is suitable for depends on several factors. These include the type and extent of hair loss, overall health and individual circumstances. In general, here are the more likely candidates for dutasteride:

Oral vs Topical Dutasteride

The most common form of dutasteride hair loss treatment is oral, and the typical dosage is 0.5 mg per day. That being said, some clinicians are increasingly able to offer topical . These topical treatments aim to to the scalp. As such, can reduce the risk of systemic side effects. However, we need more research to confirm the efficacy of topical dutasteride, as this is a relatively new treatment.

Dutasteride vs Other Non-Surgical Hair Loss Treatments

Although dutasteride is a potentially powerful treatment for hair loss, there are many other treatments. These are often used as first-line or in combination with dutasteride, which is not usually used alone for hair regrowth (especially the topical form).


stimulates hair follicles by blood flow to the scalp and prolonging the anagen (growth) phase. Unlike dutasteride, which reduces DHT levels, minoxidil’s non-hormonal approach makes it suitable for both adult men and women of all ages. Using minoxidil alongside dutasteride can enhance results by employing a two-pronged approach to targeting hair loss. Minoxidil is widely accessible and available over-the-counter in lower-strength topical treatment (Regaine) or by prescription for higher . It’s safe for women of all ages and does not carry hormonal side effects like dutasteride.


, which we discussed earlier, is less potent than dutasteride as it inhibits only the type II 5-alpha-reductase enzyme. This however makes it less likely to cause side effects, and it has been more extensively studied for hair loss in both oral and topical form. For this reason, dutasteride is usually a second-line treatment for those unresponsive to finasteride.


is actually a diuretic with anti-androgen properties. However, it can also treat hormone-related hair loss in women by blocking receptors and reducing androgen production. is often over finasteride and dutasteride for premenopausal women due to its safer reproductive health profile. However, it’s not suitable for male pattern baldness.


As a general rule, dutasteride (and in particular the topical form) is not usually used by itself for hair regrowth. It is often used alongside treatments like minoxidil to enhance its results. Topical dutasteride is often used with to enhance its to the scalp and boost hair regrowth.

Where to Get Dutasteride Hair Loss Treatments

Dutasteride is a prescription-only medicine, regardless of the dose or form it comes in. It is not licensed for hair loss but can be used by healthcare practitioners where they feel it is appropriate. You would need an assessment with a doctor, in a physical or . This diagnoses the cause of your hair loss and identifies suitable treatments. They will then decide what is the best treatment for you. Your provider will either give you a prescription for a pharmacy or send it to a specialist compounding pharmacy. They then formulate your treatment depending on their setup.


Dutasteride offers a promising for those struggling with androgenetic alopecia, as it can help hair loss and promote regrowth, even compared with finasteride. Due to its risks and , it is best used in a very specific subset of patients who have tried Other Treatments (just click the next web page) unsuccessfully. Despite its promise, it consistency and patience, as it can take months before you might even start to see outcomes. Like most hair loss treatments, results require continual use to maintain. Understanding the potential and limitations of dutasteride can help you make informed decisions and find a treatment plan that works for you.



We strongly believe that hair is a personal and individual journey. This is why we provide personalised and through our online clinic. Our doctors create custom hair loss treatments using actives like , , , and where appropriate. To start your personalised plan, book a or use . The journey towards great skin and hair .



This is intended for general informational only and is not a substitute for medical advice, diagnosis or treatment. Always consult a medical provider for any health concerns or questions you might have.


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