RU58841 Vs Finasteride: Which One Is Better For You?

Medically reviewedby Dr. Amy Revene M.B.B.S.
WrittenbyLuat Duong
Last updated

Today, we are putting two prominent options under the microscope: RU58841 vs Finasteride.

These treatments have gained considerable attention over the years in the battle against androgenetic alopecia (commonly known as male or female pattern baldness).

Deciding on the most suitable hair loss treatment can be overwhelming, with a plethora of options to choose from. 

Your decision may hinge on several factors, including effectiveness, safety, cost, and the potential for side effects. 

The quest for the optimal solution leads us to compare RU58841, a non-steroidal anti-androgen, with Finasteride, a well-established oral medication.

In this blog post, we will objectively evaluate both treatments, exploring scientific studies, anecdotal evidence, and side effect profiles. 

Our aim is to empower you with the necessary information to make an informed decision about your hair loss treatment journey.

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What is RU58841?

ru58841 vs finasteride

RU58841, also known as PSK-3841 or HMR-3841, is a non-steroidal anti-androgen that has been widely researched for its potential in treating hair loss. Unlike most treatments, it works by acting locally on the scalp to prevent hair miniaturization without systemic side effects.

This compound was developed in the 1990s, and early laboratory studies indicated its potential for treating androgenetic alopecia, or pattern hair loss. 

It's applied topically, meaning that it acts only where it's applied and is less likely to have widespread effects.

How does RU58841 work?

RU58841 works by inhibiting the effects of dihydrotestosterone (DHT), a hormone implicated in androgenetic alopecia or pattern hair loss. It acts as a competitive antagonist at androgen receptors, meaning it competes with DHT for the same binding sites on the hair follicles. When RU58841 binds to these receptors, it prevents DHT from attaching and exerting its hair miniaturizing effect, thus potentially slowing or halting hair loss.

How effective is RU58841?

RU58841 has been reported to be effective in preliminary research and anecdotal evidence, particularly due to its unique mechanism of action that does not interfere with the synthesis of dihydrotestosterone (DHT) and testosterone. 

This selective activity is highly appealing as it potentially offers the benefits of hair loss prevention without the systemic side effects often associated with other treatments.

The compound is applied topically, aiming to block DHT's effects directly at the scalp level without significantly impacting DHT levels in the body. 

This feature is attractive to many users because it limits the risk of systemic side effects, such as sexual dysfunction, which are sometimes associated with systemic DHT inhibitors like finasteride.

However, while these aspects make RU58841 promising, it's crucial to note that it has not undergone the same rigorous, large-scale clinical trials that medications like finasteride have. 

Therefore, while some users report positive results, its long-term safety and efficacy are not yet fully confirmed by scientific evidence. 

As always, it's important to consult with a healthcare professional when considering new treatments for hair loss.

Are there any clinical studies using RU58841?

Yes, there are a few animal-based studies that have investigated the effects of RU58841, though these are limited and should be interpreted with caution as results may not directly translate to humans.

One such study, conducted on stumptail macaques (a type of monkey prone to pattern hair loss), compared the effects of topical RU58841 and oral finasteride. 

In this study, RU58841 at a 5% concentration was found to be more effective than finasteride, leading to a 103% increase in hair growth compared to finasteride's 88%. 

Importantly, RU58841 did not alter serum DHT levels, which were reduced by 70% in the finasteride group, suggesting a lesser risk of systemic side effects.

Another study, conducted on nude mice with transplanted human scalps, found that RU58841 promoted hair growth. 

This particular study gave some insight into the potential effectiveness of RU58841 in humans, given that human hair follicles were used.

However, despite these promising results, it's important to underscore that these were animal studies. 

To date, there have been no large-scale, randomized, controlled clinical trials in humans to conclusively establish the safety and efficacy of RU58841.

How to use RU58841?

RU58841 is typically used as a topical treatment for hair loss, meaning it is applied directly to the scalp. While precise usage can depend on the specific product or formulation you're using, the general steps are as follows:

  • Make sure your scalp is clean and dry before application.
  • Using a dropper or similar applicator, distribute the RU58841 solution evenly across the areas of your scalp where you're experiencing hair loss or thinning.
  • Gently massage the solution into your scalp to ensure it is fully absorbed.
  • Let the solution dry before you style your hair or go to bed. This will help to prevent the solution from being rubbed off.

Most users apply RU58841 once or twice daily, but always follow the instructions provided with your specific product or given by your healthcare provider. 

What is Finasteride?

ru58841 vs finasteride

Finasteride is a prescription medication primarily used to treat male pattern baldness (androgenetic alopecia) and benign prostatic hyperplasia (BPH). It's an oral medication that is taken once daily and is often marketed under brand names like Propecia and Proscar.

Finasteride was approved by the Food and Drug Administration (FDA) for the treatment of male pattern baldness in 1997. 

It has since been widely used and is well-studied, with a large body of clinical evidence supporting its effectiveness. 

The drug belongs to a class of medications known as 5-alpha-reductase inhibitors.

How does Finasteride work?

Finasteride works by inhibiting the enzyme 5-alpha-reductase, which is responsible for converting testosterone into dihydrotestosterone (DHT). By blocking this conversion, Finasteride reduces the levels of DHT, a key hormone involved in the miniaturization of scalp hair follicles. 

This action helps to slow down hair loss and, in some cases, promotes hair regrowth in men suffering from androgenetic alopecia or male pattern baldness.

How effective is Finasteride?

Finasteride is generally recognized as a highly effective treatment for male pattern baldness, or androgenetic alopecia. When taken consistently, it can slow down the rate of hair loss, and in many cases, it can even help regrow hair.

Its efficacy is most noticeable when used in the early stages of hair loss. Over time, users can expect to see a halt in hair loss progression, with many individuals also noticing a significant increase in hair density and coverage.

However, results can vary greatly from person to person, and it's important to note that it may take several months of consistent use (often three months or more) to see noticeable effects. 

Moreover, if the use of Finasteride is discontinued, hair loss will likely resume.

Are there any clinical studies using Finasteride?

Yes, numerous clinical studies have investigated the use of Finasteride for treating androgenetic alopecia. For instance, studies have shown that a daily 1mg dose of Finasteride can significantly reduce levels of scalp DHT (by about 71.4%), a key factor in hair miniaturization and loss. 

These studies have also found that this dosage can halt the progression of hair loss and promote hair regrowth in a substantial number of men, with improvements seen in approximately 48% of patients.

In terms of female pattern hair loss, while Finasteride is typically not the first-line treatment due to potential risks during pregnancy, some research has also indicated potential benefits. 

Analysis of these clinical studies have found positive outcomes, including increased hair growth, as well as improvements in hair density and thickness.

However, the data on Finasteride's effectiveness in women is less robust than in men, and its use in women is often reserved for specific cases under close medical supervision

How to use Finasteride?

Finasteride is taken orally, usually in the form of a pill. Here are the typical steps to using Finasteride:

  • Finasteride is often prescribed in a 1mg daily dose for the treatment of androgenetic alopecia (male pattern hair loss). Always follow the dosage prescribed by your healthcare provider.
  • It can be taken with or without food.
  • The pill should be swallowed whole, not crushed or broken.
  • It's recommended to take Finasteride at around the same time each day to help remember to take it.
  • If you miss a dose, take it as soon as you remember. If it's close to the time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time.

An effective alternative to RU58841 and Finasteride

ru58841 vs finasteride alternative

When it comes to combating hair loss, the marketplace is brimming with options. Among them, Bio-Pilixin Serum for Men by Scandinavian Biolabs stands out as an effective alternative to both RU58841 and Finasteride. 

This serum, backed by scientifically-proven ingredients and a solid satisfaction guarantee, could potentially be the answer to your hair loss concerns.

Bio-Pilixin Serum is formulated with a unique blend of ingredients, including Capilia Longa, Niacinamide, and Vanillyl Butyl Ether.

Capilia Longa, derived from Curcuma longa stem cells, is an ingredient that has been studied for its potential benefits for hair.

Capilia Longa showed in clinical studies a reduction in hair loss for some participants by up to 89–90% and an improvement in hair density by 52%.

Niacinamide, another active ingredient, plays a crucial role in promoting sustainable hair growth. It enhances blood circulation and protects hair follicles from premature death often induced by oxidative stress from environmental factors. 

By maintaining follicle health and longevity, Niacinamide contributes to overall hair density enhancement.

Vanillyl Butyl Ether, a mild warming agent included in the formulation, further amplifies the serum's effectiveness.

By boosting localized blood flow in the scalp, it facilitates the delivery of essential nutrients and oxygen to the hair follicles, promoting healthy hair growth.

Scandinavian Biolabs offers a 150-day money-back guarantee, providing an opportunity for you to evaluate the product.

This guarantee provides an opportunity to evaluate the product's effectiveness without any financial risk.

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What is the difference between RU58841 and Finasteride?

ru58841 vs finasteride

RU58841 and Finasteride are both treatments for hair loss, but they differ in terms of application method, mechanism of action, dosage, and regulatory status.

Method of application

RU58841 is a topical solution, which means it is applied directly to the scalp. This local application allows it to target hair loss directly at the source. 

On the other hand, Finasteride is an oral medication, taken by mouth, which acts systemically in the body.

Mechanism of action

RU58841 works by blocking DHT at the receptor level in the scalp, preventing it from triggering hair loss, without significantly impacting DHT levels in the rest of the body. 

Finasteride, however, works by inhibiting the enzyme 5-alpha-reductase, which is responsible for converting testosterone to DHT, thereby reducing DHT levels throughout the body.

Dosage

The typical dosage of RU58841 recommended is around 50 mg per day applied to the scalp, while the standard daily dosage of Finasteride for hair loss is 1 mg orally.

Regulatory status

Finasteride is FDA-approved for the treatment of male pattern baldness and has been extensively studied in clinical trials. 

RU58841 has not been approved by the FDA and is not as widely studied, making it less understood in terms of potential long-term effects and safety.

RU58841 Vs Finasteride: Which one is right for you?

Finasteride is a well-established, FDA-approved treatment for hair loss. It has been rigorously tested in clinical trials, providing a solid understanding of its effectiveness and potential side effects. On the other hand, RU58841 is a promising newcomer in the hair loss treatment arena. Applied topically, it targets hair loss directly at the source and offers an alternative for those who prefer not to take oral medication. 

Early research suggests it may be very effective in promoting hair growth without causing systemic side effects.

Remember, each option has its unique strengths and potential downsides. 

Hence, it's crucial to have a conversation with a healthcare provider to understand which treatment aligns best with your individual needs and circumstances.

Conclusion

When it comes to hair loss treatments, choosing between Finasteride and RU58841 can be a daunting task. Both of these hair loss solutions come with their own unique advantages and potential drawbacks. 

Finasteride, an FDA-approved, oral medication has an extensive body of research supporting its effectiveness and is widely accepted in the medical community. 

Conversely, RU58841 offers a novel, topical approach, directly targeting hair loss at the source with minimal systemic side effects, though it's important to note that this treatment hasn't undergone the same large-scale clinical trials as Finasteride.

In the midst of these choices, Bio-Pilixin Serum for Men emerges as an exciting alternative. Formulated with scientifically-backed ingredients like Capilia Longa, Niacinamide, and Vanillyl Butyl Ether, this serum offers a unique non-prescription, topical approach to hair loss.

Ultimately, the best hair loss treatment for you will depend on your individual needs, medical history, and personal preferences. 

Whether you decide on Finasteride, RU58841, Bio-Pilixin Serum or another treatment entirely, the most important step is to consult with a healthcare provider to make an informed decision. 

The battle against hair loss may be challenging, but with a variety of effective treatments at your disposal, it's a battle that can be won.

References:

  1. https://pubmed.ncbi.nlm.nih.gov/9951956/
  2. https://pubmed.ncbi.nlm.nih.gov/9777765/
  3. https://onlinelibrary.wiley.com/doi/10.1111/1346-8138.14719 

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Luat Duong

Luat Duong is a Copenhagen-based writer and content strategist specializing in hair loss and health. His work has been featured in MyHealthGuide, The Right Hairstyles, and Woman's Era. He is a graduate of Vaasa University. You can connect with him on LinkedIn.