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Hair Rescue Serum

RU58841 (5%) + Minoxidil (5%)

4.6(107 Reviews)

Blocks DHT

Supports regrowth

Topical and non-systemic

For men and women

View verified Janoshik lab result
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Don't tolerate Minoxidil? Try the RU58841 Solution (RU-58841 only).

Description

Advanced Hair Loss Prevention and Growth Serum RU-58841 5%( 50mg/ml) + Minoxidil 5% (50mg/ml)

RU58841 · A powerful anti-androgen

  • Competes strongly against DHT, the main cause of androgen-related hair loss.
  • Supports cellular replication in the hair matrix.
  • Supports hair diameter, density, and the percentage of follicles in the anagen phase.
  • Has shown growth outcomes comparable to or better than finasteride in preclinical research.
  • Designed for localized topical use rather than systemic hormone suppression.

Minoxidil · 5% growth support

  • Clinically established for supporting hair regrowth.
  • Helps reactivate follicles and support the active growth phase.

RU58841 is a research chemical and is not FDA-approved for treating hair loss. Individual results vary.

How quickly can I expect results?

Early shedding may settle within 2 to 4 weeks. Visible improvements commonly take 3 to 6 months, with continued use supporting the strongest result.

How to Use

Apply 1 to 1.5 ml across thinning areas once daily. Massage gently into a clean, dry scalp and allow it to absorb. Do not rinse.

Is this safe to use?

This product is intended for topical cosmetic or research use. Review the ingredients and speak with a qualified doctor before starting any treatment.

Key Ingredients

RU58841 5% and Minoxidil 5% are combined in a lightweight topical carrier selected for direct scalp application.

How do I manage or cancel my subscription?

Open hairrescue.shop/account and log in with the email from checkout. Shopify emails a one-time code — no password. After signing in, choose Subscriptions to skip, pause, update, or cancel in Kaching without emailing us.

Authentic customer reviews

What customers are saying.

Every review below is collected through Fera and belongs to this product. Browse the complete review history without leaving the page.

Customer reviews

Showing 18 of 107

Verified customer

Steady thickening ... l can feel it when l apply & message it in & run my hand thru my hair

I took pics ... but the change visually is not dramatic because my hair thinned over a larger general area. I never had bald spots, just noticeably thinner hair. I have been using a DHT blocking shampoo for about a year, so that reduced the hair loss ... what I really needed was new hair growth. I started seeing it in the front at the crown ... tiny little hairs ... those tiny little hairs are now, long hairs that noticeably have thickened my hair over my entire scalp. It's working, every day ... slow & steady wins the race! And I like that the Hair Rescuse formula doesn't make my hair feel stiff and dry ... other minoxidal treatments did ... l actually think sometimes the hair would break just because it was so stiff & stuck together. Good product good results so far!

Perry K.Mansfield, OH
Verified customer

Spectacular!

3 months and my hair is back. This and the essential oil topical once a day, combined with minoxidil/dutastaride/tretinoin topical at night. Going to keep using this for a year and see how far i can get. I also combined it wiah a healthy diet, kidney/liver supplements, microderm stamping once a week. .25mg of dutastaride oral and .5 mg of minoxidil oral every day. Ive also been getting prp once a month with exasomes. 3hp lotion as well. But hair rescue tied it all together.

Photo shared with Austin F.'s reviewPhoto shared with Austin F.'s review
Austin F.Littleton, CO
Verified customer

Remarkably effective

This product will grow your hair if you stick to it

Photo shared with Antonio D.'s review
Antonio D.Hialeah, FL
Verified customer

Remarkable!

Easy to order and simple to use, and they can already start to see hair sprouting up. I’m only one month in so I’m anxious to see what month two will unlock.

Rick S.Milton, WV
Verified customer

You should get this!

Helps hair loss. Definitely decreased it a good amount. Hair seems stabilized as well. The minoxidil is helping it grow and makes it look fuller

Kyung Y.Annandale, VA
Verified customer

Phenomenal!

This actually works. I’m shocked. New growth popping up like crazy, where dutasteride, peptides, and minoxidil alone did literally nothing. Even my barber is like “bro wtf have you been doing to your hair, you have so many baby hairs poppin up that it’s hard to hit a clean part when I’m cutting your hair. Honestly I was pretty hopeless about my hair situation but this is truly and shockingly a game changer

Michael S.Hermosa Beach, CA
Verified customer

How great!

Bottom line it works

David M.Deerfield Beach, FL
Verified customer

Give it a try!

Seeing a difference in less than a month.

Vladimir M.San Diego, CA
Real transformations

Before & after.

Drag the slider to see the difference consistent use makes. Progress is gradual — most people notice a real change between months three and six.

After treatment
Before treatment
BeforeAfter

Crown coverage · Day 1 to Day 190

More customer results

1 / 13
Before treatment
After treatment
Crown density · Consistent angle
Before treatment
After treatment
Frontal hairline · Visible progression
Before treatment
After treatment
Overall density · Top view
Before treatment
After treatment
Crown coverage · Customer progress
Before treatment
After treatment
Top density · Customer progress
Before treatment
After treatment
Hairline · May 2024 to February 2025
Before treatment
After treatment
Overall density · Six months
Before treatment
After treatment
Crown · Six months
Before and after customer result: Hairline and crown · Customer progressBeforeAfter
Hairline and crown · Customer progress
Before treatment
After treatment
Crown density · Customer progress
Before treatment
After treatment
Crown coverage · Customer-submitted result
Before and after customer result: Crown density · Three-month progressBeforeAfter
Crown density · Three-month progress
Before treatment
After treatment
Overall density · Customer progress

Customer-submitted progress photos are shown for illustrative purposes. Results are not guaranteed and vary from person to person; Hair Rescue is sold for research/cosmetic use and is not FDA approved.

Hair Rescue Serum bottle with RU58841 and Minoxidil label

Two actives, one localized treatment

Prevention and regrowth in one daily serum.

Hair Rescue is the dual-active formula in the range. RU58841 is included for localized androgen-receptor support, while 5% minoxidil supports the follicle’s active growth phase.

Product distinction

RU58841 (5%) + Minoxidil (5%)

Product-specific mechanism

How Hair Rescue works

01

Targets DHT locally

RU58841 is a non-steroidal androgen-receptor antagonist designed to act where the serum is applied.

02

Supports active growth

Minoxidil 5% is the growth-supporting active in this formula and distinguishes it from the RU-only Solution.

03

One topical routine

Both actives are delivered together, so Hair Rescue Serum and the RU58841 Solution should be treated as alternatives, not layered.

Formula

The two active ingredients

RU58841 · 5%

Localized, non-steroidal androgen-receptor support.

Minoxidil · 5%

A topical active used to support the hair-growth cycle.

Topical carrier

A lightweight base selected for direct scalp application.

What is in this bottle

The label, formula, and supporting content all match this specific product.

Product profile

Hair Rescue Serum

RU58841 (5%) + Minoxidil (5%)

Formula detail

03

clearly identified components

RU58841 is sold for cosmetic or research use and is not FDA approved for treating hair loss. Individual results vary.

See it for yourself

Real journeys, real results.

Watch how everyday customers rebuilt their hairline and their confidence with a consistent Hair Rescue routine.

Cleanse

Clean, dry scalp before applying Hair Rescue Serum

Start with a clean, completely dry scalp.

Apply

Applying Hair Rescue Serum to thinning areas

Distribute 1–1.5 ml across thinning areas once daily.

Massage

Massaging Hair Rescue Serum into the scalp

Work it in gently, let it absorb, and do not rinse.

Hair Rescue Serum: Specifications

CONCENTRATION
RU-58841 5% + Minoxidil 5% (50 mg/ml)
FORM
Topical serum · 50 ml
PURITY
RU-58841 >99% (Janoshik verified)
APPLICATION
Once daily on a clean, dry scalp
STORAGE
Cool, dry place · minimize open-air exposure
Complete the routine

Designed to work together.

Advanced Hair Growth Oil

Daily Care

Advanced Hair Growth Oil

Daily nourishment for a healthier scalp and stronger-looking hair.