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4-in-1 Advanced Rx Hair Growth Serum for Men and Women
⭐ Prescription Strength · Doctor-Prescribed

Advanced Regrowth Serum

Green Cap Health's Advanced Regrowth Serum is a prescription-strength topical treatment combining Finasteride, Minoxidil, Ketoconazole, and Azelaic Acid, four clinically researched ingredients that work together to block DHT, stimulate follicle regrowth, reduce scalp inflammation, and regulate sebum. Applied once daily. Reviewed and prescribed by licensed Texas healthcare providers. No office visit required.

Rx
Medically reviewed by licensed Green Cap physicians. Every prescription is personalized after a complete health assessment. Individual results vary.
Billing
1 Month
$44.99/mo
No commitment
3 Months
$39.67/mo
Billed monthly
Best Value
6 Months
$38.17/mo
Billed monthly
🛒 Start Your JourneyAdd to cart, no commitment Book a Consultation Call
🩺 Doctor-prescribed ✓ Free assessment 📦 Discreet shipping 🇺🇸 American-made 🔒 HIPAA compliant
Green Cap 4-in-1 Advanced Rx Hair Growth Serum
About the Treatment

What Is the 4-in-1 Advanced Rx Hair Growth Serum?

Hair loss is rarely caused by a single factor. DHT overproduction, poor follicle circulation, scalp inflammation, and excess sebum all contribute to progressive thinning, particularly in androgenetic alopecia, which affects approximately 50 million men and 30 million women in the United States. Treating only one of those causes explains why most single-ingredient products fall short. This 4-in-1 formula addresses all four simultaneously.

Quick Answer

Green Cap's 4-in-1 Advanced Rx Hair Growth Serum is a prescription topical treatment combining Finasteride 1.0mg (blocks DHT at the follicle level), Minoxidil 5.0mg (reactivates dormant follicles via vasodilation), Ketoconazole 2% (reduces scalp inflammation and fungal activity), and Azelaic Acid 5% (additional DHT inhibition and sebum regulation). One daily application replaces four separate treatments. Results are typically visible within 3 to 6 months of consistent use.

A Smarter Approach to Hair Loss Treatment

Most over-the-counter hair loss products address only one or two causes of thinning. Green Cap's prescription-strength formula targets the four primary biological factors that drive hair loss, simultaneously. Because it is applied directly to the scalp, active ingredients are delivered precisely where they are needed, with minimal systemic absorption compared to oral alternatives.

Why Prescription Hair Loss Treatment Works Better Than OTC Options

Over-the-counter hair products typically contain cosmetic concentrations of ingredients that cannot legally claim to treat hair loss. A prescription formulation like this serum contains pharmaceutical-grade active ingredients at clinically effective doses, evaluated and approved by a licensed provider for your specific situation.

How the Formula Works

Four Clinically Proven Ingredients.
One Daily Hair Growth Serum.

Each ingredient targets a distinct biological mechanism of hair loss, making the combined effect significantly greater than any single-ingredient product can achieve.

1

Finasteride

1.0 mg · Per Application
DHT Blocker

Finasteride is an FDA-approved type II 5-alpha reductase inhibitor. It reduces the conversion of testosterone into dihydrotestosterone (DHT), the androgen responsible for follicle miniaturization in androgenetic alopecia. By lowering DHT at the scalp level, Finasteride halts the progression of hair loss and supports the environment needed for regrowth. Topical application reduces scalp DHT by up to 64% with lower systemic exposure than oral use.

📖 FDA-Recognized Active Ingredient for Hair Loss
2

Minoxidil

5.0 mg · Per Application
Follicle Stimulator

Minoxidil is one of the most studied topical treatments for hair loss. It works as a vasodilator, widening blood vessels in the scalp to improve oxygen and nutrient delivery to hair follicles. This reactivates follicles that have entered the dormant (telogen) phase, shifting them back into active growth (anagen). The result is visibly thicker, fuller hair over consistent use.

📖 Clinically Proven for Male and Female Pattern Hair Loss
3

Ketoconazole

2% Concentration
Scalp Health Defender

Ketoconazole is a broad-spectrum antifungal agent with demonstrated benefits beyond treating dandruff. Research suggests it has anti-androgenic properties, helping reduce DHT binding at the follicle level. It also combats Malassezia, a scalp yeast associated with folliculitis and inflammation that can accelerate hair loss. A healthier scalp provides a stronger foundation for regrowth.

📖 Shown to Complement Minoxidil and Finasteride in Combination Therapy
4

Azelaic Acid

5% Concentration
Dual-Action DHT Inhibitor

Azelaic Acid is a naturally occurring dicarboxylic acid with both anti-inflammatory and anti-androgenic properties. It inhibits 5-alpha reductase, the same enzyme Finasteride targets, providing an additional, complementary layer of DHT suppression. It also regulates sebum production on the scalp, which when excessive can clog follicles and hinder healthy growth. Especially valuable for individuals with oily scalp conditions alongside hair thinning.

📖 Synergistic with Finasteride · Anti-Inflammatory & Sebum-Regulating
Is This Right for You?

Who Can Benefit From This Hair Loss Treatment?

This serum is designed for adults experiencing clinically meaningful hair thinning or loss. It is suitable for a broad range of patients when reviewed and prescribed by a qualified provider.

👦
Men with Pattern Baldness
Men experiencing androgenetic alopecia, receding hairlines and thinning at the crown. Finasteride and Minoxidil together address both the hormonal and follicular aspects.
👧
Women with Hair Thinning
Women experiencing diffuse thinning, frontal hair loss, or female pattern hair loss. Finasteride use in women is evaluated case-by-case by your provider during consultation.
🔄
Those Who've Tried Single-Ingredient Products
If you've used Minoxidil alone and seen limited results, adding DHT-blocking and anti-inflammatory agents often provides meaningfully improved outcomes.
🏃
Individuals Seeking a Simple Routine
Instead of managing multiple separate treatments, this serum delivers all four active ingredients in a single daily application, saving time while maximising therapeutic benefit.
⚠️

Important: Finasteride is not recommended for women who are pregnant or planning to become pregnant. Green Cap's licensed providers review each patient's full health profile before any prescription is issued. Your safety is reviewed first, always.

What You Gain

Key Benefits of the 4-in-1 Hair Growth Serum

Each benefit is a direct result of how the four active ingredients interact with your hair biology, not marketing language.

01

Four-Way Hair Loss Prevention

By combining a DHT blocker, follicle stimulator, anti-inflammatory agent, and sebum regulator, the formula simultaneously addresses all four primary causes of progressive hair loss. No single-ingredient product can match this breadth of action.

02

Visible Regrowth in 3–6 Months

Most users see a measurable reduction in shedding within 6–8 weeks and visible new growth between 3 and 6 months. Results continue to improve with consistent daily use through the 12-month mark.

03

Topical Delivery, Minimal Systemic Exposure

Applied directly to the scalp, active ingredients act where they are needed. Topical Finasteride carries a significantly lower risk of systemic side effects compared to oral Finasteride tablets.

04

Non-Greasy, Fast-Absorbing Formula

Leaves no residue. Suitable for everyday use before or after styling. One serum replaces four separate products, and fits into any lifestyle without disrupting it.

05

Prescription-Grade Quality, Telehealth Simplicity

Unlike over-the-counter topicals, this is a compounded prescription serum prepared at an FDA-registered U.S. facility. Prescribed by real licensed providers, reviewed specifically for you, not mass-dispensed.

06

Discreet Delivery to Your Door

Your prescription ships directly to you in plain packaging. No pharmacy visits, no waiting rooms. Texas patients have ongoing access to their licensed provider through the patient portal.

What to Expect

Hair Growth Serum Results Timeline

Hair grows in cycles. Understanding those cycles helps set accurate expectations. The table below reflects the typical progression for users applying the 4-in-1 serum consistently every day.

Treatment PhaseWhat's Happening BiologicallyWhat You May Notice
Weeks 1–4Finasteride begins reducing DHT at scalp level; Minoxidil starts improving follicle circulation; Ketoconazole reduces scalp inflammationTreatment working internally; some users report slightly reduced daily shedding and improved scalp comfort
Month 1–2Some patients experience a shedding phase, follicles shifting from telogen to anagen growth cycleTemporary increase in shedding is normal and indicates treatment is working. Scalp health typically improving
Month 3New hair entering active growth phase; miniaturized follicles beginning to recover; Azelaic Acid regulating sebumFine new hairs ("baby hairs") may appear; hair loss rate slows noticeably
Month 4–6Hair density increasing; Ketoconazole sustaining scalp health; Biotin-like keratin strengthening new strandsSignificant visible improvement in fullness, thickness, and coverage
6+ MonthsFollicle health sustained; DHT suppression via Finasteride and Azelaic Acid preventing further lossMost significant results; continued improvement with ongoing use. Discontinuing will gradually reverse gains

⚠️ Consistency is critical. Missing doses reduces effectiveness. Results achieved during treatment are maintained as long as the serum is continued.

Application Guide

How to Apply Your Hair Growth Serum

Consistent, correct application is the single biggest factor in achieving results. Here's exactly how the 4-in-1 serum fits into your daily routine.

1
Shake the bottle well before each use

Active ingredients can settle. Shake for 5–10 seconds to ensure even distribution throughout the formula before each application.

2
Part your hair in the affected area

Apply to a dry or slightly damp scalp. Use the dropper or applicator to access the scalp directly in areas of thinning, crown, hairline, or parting.

3
Apply 1 mL directly to the scalp

Dispense 1 mL of serum onto the scalp, not the hair shafts. Focus on visibly thinning zones. Do not exceed the prescribed dose.

4
Massage gently with fingertips for 1–2 minutes

Gentle massage increases absorption and improves local circulation. Wash hands thoroughly after application to avoid transferring serum to other areas.

5
Allow to absorb, do not rinse immediately

Wait at least 4 hours before washing hair. Avoid touching the treated area until the serum is fully absorbed. You may style hair normally once dry.

6
Use once daily, consistently

Hair regrowth requires sustained treatment. Missing applications reduces efficacy. Set a daily reminder and use at the same time each day for best results.

Why Green Cap

4-in-1 Hair Growth Serum vs. Other Hair Loss Treatments

Not all hair loss treatments are created equal. Here's how Green Cap's prescription formula compares to over-the-counter and single-ingredient alternatives.

FeatureGreen Cap 4-in-1 SerumOTC Minoxidil OnlyOral Finasteride Only
DHT Blocker (Finasteride)✓ Included✗ Not included✓ Included
Follicle Stimulator (Minoxidil)✓ 5mg topical✓ Varies✗ Not included
Anti-inflammatory (Ketoconazole)✓ 2% included✗ Not included✗ Not included
Sebum & DHT regulation (Azelaic Acid)✓ 5% included✗ Not included✗ Not included
Licensed physician review✓ Licensed TX provider✗ None requiredVaries
Topical, minimal systemic exposure✓ Yes✓ Yes✗ Oral/systemic
Free consultation included✓ Always✗Varies
American-made & HIPAA compliant✓ YesVariesVaries
🧑‍⚕️

Real Doctors. Not Algorithms.

Every prescription is reviewed by a licensed Texas healthcare provider, a real clinician who evaluates your health profile, not an auto-approval script.

🏭

Compounded at FDA-Registered Facilities

Green Cap's formulas are compounded in U.S.-based, FDA-registered pharmacies under pharmaceutical-grade quality controls, not manufactured overseas.

🔒

HIPAA-Compliant Privacy

Your health data, consultation responses, and prescription records are protected under full HIPAA compliance. Your information stays yours.

Common Questions

Frequently Asked Questions About the 4-in-1 Hair Growth Serum

Honest answers to the questions patients ask most before starting treatment.

It is a prescription-strength topical hair regrowth serum combining four active ingredients: Finasteride (1.0mg), Minoxidil (5.0mg), Ketoconazole (2%), and Azelaic Acid (5%). Each ingredient targets a different mechanism of hair loss, making this formula more comprehensive than single-ingredient treatments. It is prescribed by a licensed Texas provider and compounded in a licensed US pharmacy.

The serum is formulated for both men and women experiencing hair thinning or androgenetic alopecia. Women's formulations may be adjusted by your provider, particularly regarding Finasteride content, based on your individual health profile. Your Green Cap provider will determine the appropriate configuration during your free consultation.

Yes. Because this serum contains prescription-strength Finasteride and compounded Minoxidil, a prescription from a licensed provider is required. Green Cap Health provides a free online consultation with licensed Texas providers to assess your eligibility and issue a prescription if appropriate, no office visit required.

Most patients begin to notice early signs of improvement, reduced shedding and early regrowth, around months 3 to 4. Visible density improvements are typically apparent between months 4 and 6. Full results develop with continued use over 6 to 12 months.

As with any prescription treatment, side effects are possible. Common ones associated with topical Minoxidil include scalp irritation, dryness, or initial increased shedding. Topical Finasteride carries a lower risk of systemic side effects compared to oral Finasteride, but individual responses vary. Your Green Cap provider will review your health history before prescribing.

Hair loss treatments require ongoing use to maintain results. If you discontinue use, the underlying causes of hair loss (particularly DHT activity) will resume, and regrown hair may gradually be lost over several months. Your provider can help you develop a long-term maintenance plan.

The serum starts at $44.99 per month for a 1-month supply. 3-month and 6-month supply options are also available at a lower per-month cost. The initial consultation is always free. All plans include licensed provider review and discreet home shipping with no hidden fees.

Many patients continue using standard shampoos, conditioners, and styling products alongside this serum. However, disclose all current treatments to your provider during consultation. They will advise on timing, any interactions to be aware of, and whether combining with other treatments is appropriate for your case.

Start Your Free Hair Loss Consultation Today

Hair loss is progressive, the earlier you start, the more you preserve. Answer a few questions about your hair loss. A licensed Texas provider will review your assessment and, if appropriate, prescribe your 4-in-1 hair growth serum, shipped directly to your door.

Take the Free Assessment → Book a Consultation

No office visit required  ·  Free consultation  ·  Discreet shipping  ·  Licensed Texas providers

  • Hot

4-in-1 Advanced Rx Hair Growth Serum for Men and Women

4-in-1 Advanced Rx Hair Growth Serum for men and women treats hair loss with precise topical once daily application.

  • 100% real results
  • Most powerful formula
  • Doctor prescribed & shipped to you
Clear
Loading...
4-in-1 Advanced Rx Hair Growth Serum for Men and Women
4-in-1 Advanced Rx Hair Growth Serum for Men and Women - Image 2
4-in-1 Advanced Rx Hair Growth Serum for Men and Women - Image 3

Doctor recommendedtreatment options

It’s easy, fast and free to get doctor approved treatment options at Green Cap. Our providers will give you options after determining what’s right for you.  

Take the free assessment

About this treatment

Experience a breakthrough in hair restoration with The chemist Advanced Hair Regrowth Serum, a powerful, multi-targeted solution for combating hair loss. Formulated with the industry’s most effective active ingredients, Finasteride, Minoxidil, Ketoconazole, and Azelaic Acid, this serum works synergistically to block DHT, stimulate regrowth, reduce inflammation, and create a scalp environment that promotes thick, healthy hair. Why Choose The ChemistRx?
  • Comprehensive Hair Loss Solution: Tackles multiple causes of hair thinning for superior results.
  • Topical Application for Precision: Delivers active ingredients directly to the scalp with minimal systemic exposure.
  • Clinically Proven Ingredients: Backed by scientific research for hair loss prevention and regrowth.
  • Non-Greasy, Fast-Absorbing Formula: Leaves no residue and is easy to apply.

Key benefits

We select premium ingredients that are backed by years of research and testing. The result of our formulas are prescriptions that truly work when approved by our providers. 

Blocks DHT at the root

Finasteride inhibits the production of DHT, the hormone linked to hair follicle miniaturization and male pattern baldness.

Minoxidil increases blood circulation to the scalp, reactivating dormant follicles and enhancing hair regrowth.

Ketoconazole fights dandruff and irritation while improving scalp health to support robust hair growth.

Azelaic Acid helps regulate oil production and inhibits DHT, providing a dual action against hair loss.

Finasteride

Proven to reduce DHT levels and halt further hair loss.

Minoxidil

Proven to reduce DHT levels and halt further hair loss.

Ketoconazole

An antifungal that combats inflammation and strengthens the scalp barrier.

Azelaic Acid

An anti-inflammatory agent that further inhibits DHT and balances scalp oiliness.

American Made
Prescription Strength
Experienced Doctors
Green Cap
Others
Almost unknown
Few
Few

Revitalize your scalp, reclaim your confidence

Achieve fuller, stronger, and healthier hair with The Chemist Rx Advanced Hair Regrowth Serum, a science-backed, dermatologist-recommended formula designed to restore your hair and boost your confidence.

  • No hassles
  • Always discreet
  • Free and easy evaluation
Let's start now

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Menu

We respond fast!

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Learn
  • Hot

4-in-1 Advanced Rx Hair Growth Serum for Men and Women

4-in-1 Advanced Rx Hair Growth Serum for men and women treats hair loss with precise topical once daily application.

  • 100% real results
  • Most powerful formula
  • Doctor prescribed & shipped to you
Clear
Loading...
4-in-1 Advanced Rx Hair Growth Serum for Men and Women
4-in-1 Advanced Rx Hair Growth Serum for Men and Women - Image 2
4-in-1 Advanced Rx Hair Growth Serum for Men and Women - Image 3

Doctor recommendedtreatment options

It’s easy, fast and free to get doctor approved treatment options at Green Cap. Our providers will give you options after determining what’s right for you.  

Take the free assessment

About this treatment

Experience a breakthrough in hair restoration with The chemist Advanced Hair Regrowth Serum, a powerful, multi-targeted solution for combating hair loss. Formulated with the industry’s most effective active ingredients—Finasteride, Minoxidil, Ketoconazole, and Azelaic Acid—this serum works synergistically to block DHT, stimulate regrowth, reduce inflammation, and create a scalp environment that promotes thick, healthy hair. Why Choose The ChemistRx?
  • Comprehensive Hair Loss Solution: Tackles multiple causes of hair thinning for superior results.
  • Topical Application for Precision: Delivers active ingredients directly to the scalp with minimal systemic exposure.
  • Clinically Proven Ingredients: Backed by scientific research for hair loss prevention and regrowth.
  • Non-Greasy, Fast-Absorbing Formula: Leaves no residue and is easy to apply.

Key benefits

We select premium ingredients that are backed by years of research and testing. The result of our formulas are prescriptions that truly work when approved by our providers. 

Blocks DHT at the root

Finasteride inhibits the production of DHT, the hormone linked to hair follicle miniaturization and male pattern baldness.

Minoxidil increases blood circulation to the scalp, reactivating dormant follicles and enhancing hair regrowth.

Ketoconazole fights dandruff and irritation while improving scalp health to support robust hair growth.

Azelaic Acid helps regulate oil production and inhibits DHT, providing a dual action against hair loss.

Finasteride

Proven to reduce DHT levels and halt further hair loss.

Minoxidil

Proven to reduce DHT levels and halt further hair loss.

Ketoconazole

An antifungal that combats inflammation and strengthens the scalp barrier.

Azelaic Acid

An anti-inflammatory agent that further inhibits DHT and balances scalp oiliness.

American Made
Prescription Strength
Experienced Doctors
Green Cap
Others
Almost unknown
Few
Few

Revitalize your scalp, reclaim your confidence

Achieve fuller, stronger, and healthier hair with The Chemist Rx Advanced Hair Regrowth Serum, a science-backed, dermatologist-recommended formula designed to restore your hair and boost your confidence.

  • No hassles
  • Always discreet
  • Free and easy evaluation
Let's start now

Related products

4-in-1 Advanced Rx Hair Growth Serum for Men and Women
4-in-1 Advanced Rx Hair Growth Serum for Men and Women
From: $44.99 / month
4-in-1 Advanced Rx Hair Growth Serum for men and women...
3-in-1 Hair Growth Capsules for Men and Women
3-in-1 Hair Growth Capsules for Men and Women
From: $44.99 / month
3-in-1 Hair Growth Capsules for Men and Women is a...
GHK Copper Peptide Hair Growth Foam
GHK Copper Peptide Hair Growth Foam
From: $119.99 / month
The GHK copper peptide hair growth foam is a natural...
Hair Growth Combo Capsules & Serum
Hair Growth Combo of Capsules and Serum for Men and Women
From: $59.99 / month
The hair growth combo of capsules and serum for men...
Menu

We respond fast!

Menu
Popular
Learn