Hair Loss Medications

Hair loss can often be managed with medication as well as surgery, and for some patients, medication may be the most appropriate first step. Different treatments work in different ways, helping to slow further hair loss, maintain existing hair, or support regrowth where suitable.

The right approach depends on the type and stage of hair loss, your medical history and your individual treatment goals. At Parissis Medical, we offer personalised guidance on a range of evidence-based hair loss medications and can help determine whether medication, hair transplant surgery or a combination of treatments may be suitable for you.

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This page has been medically reviewed by Dr. Mondrian Parissis, MBBS, BSc, providing expert guidance on hair loss medications and treatment options.

What do we offer?

We offer in-depth consultations to assess your:

Current Level of Hair Loss

Family History of Hair Loss

Likely Hair Loss Progression

Best Medication Options

The Big Problem

The hair loss medication industry is filled with snake oils and potions that make it difficult to distinguish between what is helpful and what isn’t.

Below is a brief summary of the main hair loss medications that are evidence-based.

Oral Finasteride

5-alpha reductase blockers like Finasteride are first line for Male Pattern Baldness. They work by stopping the conversion of testosterone to DHT. DHT is the hormone responsible for hair loss and therefore by reducing DHT levels, we can slow down hair loss.

Topical Finasteride

Topical finasteride reduces scalp DHT with minimal systemic absorption. Studies show results comparable to oral finasteride in improving hair density. Side effects are less common, though long-term data is limited. A promising option for men seeking effective, lower-risk treatment.

Oral Dutasteride

Dutasteride has good research to suggest it is a powerful 5-alpha reductase blocker – reducing DHT levels by more than 90%. However, research also suggests this translates to ~50% reduction in scalp DHT – meaning it still only slows down hair loss and doesn’t stop it for good.

Topical Dutasteride

Topical Dutasteride has limited research to support it’s safety and effectiveness. It is therefore not routinely prescribed for patients. However, one can imagine it is effective but the more important question is – does it go into the bloodstream and therefore cause side effects? If so, this would defeat the purpose of it’s topical use – which is hailed as one of the best benefits of topical formulations.

Topical Minoxidil

Minoxidil is known as a ‘hair growth stimulator’. The exact mechanism of action is unknown but the main working theory is that it prolongs the ‘anagen’ or ‘growing’ phase of the hair – giving thicker, faster growing and longer hair in some patients.

Oral Minoxidil

Oral minoxidil is a more recent update to the more widely used topical form.

It enhances hair growth by increasing blood flow and extending the growth phase. Research shows strong results for both men and women, even when topical options fail. Side effects like fluid retention or increased body hair are usually mild and dose-dependent. A convenient, effective option for those seeking fuller, thicker hair.

Ketoconazole

Ketoconazole was once thought of as a useful medication for hair loss.

Overall, there are two conclusions from the research:

1) Randomized controlled trials need to be done to be more sure.

2) Studies so far suggest that ketoconazole is a SUPPLEMENTARY option for those who want to squeeze out more hair gains – NOT a big ‘needle-mover’. In other words it is unlikely to make a big difference to your hair growth.

Saw Palmetto

The research is mixed
A Systematic Review by Evron et al from 2020 has at least some efficacy against AGA
It’s lack of side effects compared to finasteride do suggest it could be a possible alternative for select patients
These patients could be those who get side effects from finasteride and/or want to avoid pharmaceuticals
It is likely effective as an adjunct compound with minoxidil.

Frequently Asked Questions About Hair Loss Medications

How long does it take for hair loss medication to work?

Most patients need consistent use for 3 to 6 months before noticing a visible difference, and up to 12 months for full results. Hair loss medications work gradually because they act on the hair growth cycle, not overnight. If you're not seeing results within this window, it's worth discussing your options with a specialist to see whether a different approach, including hair transplant surgery, may suit your stage of hair loss better.

Can I use finasteride and minoxidil together?

Yes, many patients use oral or topical finasteride alongside minoxidil, as they work through different mechanisms. Finasteride reduces DHT production, while minoxidil stimulates blood flow to the follicle. Combining them is common practice, but the right combination and dosage should be confirmed during a consultation.

What happens if I stop taking hair loss medication?

Hair loss medications only work while they are being taken. If treatment stops, any hair maintained or regrown through the medication is typically lost over the following months, and the underlying hair loss pattern resumes. This is why many patients look for a longer-term solution once their hair loss has progressed.

Do hair loss medications work for women too?

Some medications, particularly topical minoxidil, are commonly used to treat hair loss in women, though the underlying causes and treatment approach often differ from male pattern hair loss. Oral finasteride is not typically used in women of childbearing age. A tailored assessment is the best way to determine the right plan.

Are hair loss medications enough, or will I need a hair transplant?

Medication is most effective for slowing or maintaining early to moderate hair loss, but it cannot restore density in areas where follicles have already been lost. For more advanced hair loss, procedures such as FUE or FUT hair transplant are the more reliable long-term option. A consultation can help determine whether medication alone, surgery, or a combination of both is right for you. You can also review hair transplant pricing to understand the investment involved.