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Starting at $49/mo — no long-term commitment
ZENKAI HAIR

Stop hair loss.
Doctor-prescribed.
Delivered to your door.

Licensed US physicians prescribe finasteride, minoxidil, and custom topical formulas online. FDA-approved treatments. 24-hour physician review. Free discreet shipping nationwide.

  • ✓Clinically proven to stop hair loss in over 90% of patients
  • ✓Licensed US physician reviews within 24 hours
  • ✓FDA-approved finasteride + minoxidil — not supplements
  • ✓Free discreet shipping · plain packaging · no logo
  • ✓Cancel anytime · no contracts · no hidden fees
See If I Qualify — Free →
🔒 If you don't qualify, you pay nothing. 4-minute intake.
ZENKAI HAIR — SELECT YOUR PLAN
Doctor-prescribed hair restoration
Choose your treatment
Finasteride Oral Most Effective
1mg daily · stops hair loss in 90%+ of men
$49
/month
Minoxidil Topical
5% solution · FDA-approved regrowth
$39
/month
Complete Stack Best Results
Finasteride + minoxidil + tretinoin topical
$99
/month
Women's Hair Restoration
Minoxidil + custom compound · FDA-approved
$59
/month
🔒 Free shipping  ·  Cancel anytime  ·  You only pay if prescribed
Man with great hair — ZENKAI Hair restoration
Clinical Results

What to expect — by month

Hair restoration is a process. Here's exactly what happens at each stage with physician-prescribed finasteride and minoxidil.

Month 1–2
Early Phase
Shedding slows
Finasteride begins reducing DHT. You may notice less hair in the shower and on your pillow within 4–8 weeks.
Month 3–6
Growth Phase
Visible improvement
Hair density improves. Thinning areas begin to fill in. Most patients report a noticeable difference by month 4.
Month 6–12
Results Phase
Full results visible
Clinical studies show maximum regrowth at 12 months. 90%+ of patients who stay consistent see measurable improvement.
How It Works

Prescription hair treatment in 4 steps.

No clinic visits. No waiting room. A physician reviews your case in 24 hours.

1

4-minute intake

Answer questions about your hair loss, health history, and goals. Upload a quick hair photo if requested. 100% private.

2

Physician review

A US-licensed physician reviews your intake within 24 hours. They prescribe the right treatment for your specific pattern.

3

Free delivery

Your prescription ships from an FDA-regulated pharmacy. Plain, discreet packaging. Free shipping. Usually arrives in 3–5 days.

4

Monthly check-in

Your physician monitors your progress, adjusts dosing if needed, and is available to answer questions anytime.

ZENKAI vs. The Competition

Why ZENKAI beats Hims and Ro on hair loss.

Same FDA-approved drugs. Better price. No commitment. Physician-led — not a subscription box.

What you getZENKAIHimsRo
Finasteride + minoxidil combo✓ $99/mo$79/mo$69/mo
Oral finasteride alone✓ $49/mo$35/mo prepay$30/mo prepay
Month-to-month (no prepay)✓ Yes3–12 mo upfront3 mo upfront
Licensed physician review✓ 24 hours✓ Yes✓ Yes
Women's hair loss treatment✓ Yes✓ LimitedLimited
Tretinoin topical add-on✓ Included in combo✗ Not offered✓ Available
Bundle with TRT / weight loss✓ Full stack available✗ Limited✗ No
Science

Why finasteride + minoxidil works.

Two mechanisms. One powerful result. These are not supplements — these are physician-prescribed medications with decades of clinical evidence.

🧬
Finasteride blocks DHT
DHT (dihydrotestosterone) is the hormone that shrinks hair follicles in male pattern baldness. Finasteride blocks 65–70% of DHT production, stopping hair loss at the source. Used daily, it stops shedding in over 90% of patients.
📈
Minoxidil stimulates growth
Minoxidil extends the hair growth cycle and increases blood flow to follicles. It works best to restore hair in areas that still have dormant follicles. FDA-approved since 1988. Effective for both men and women.
✨
Tretinoin boosts absorption
When added to topical minoxidil, tretinoin has been shown to significantly increase minoxidil absorption into the scalp — making the combination up to 3x more effective than minoxidil alone.
📊
90%+ success rate
Across multiple clinical trials, finasteride prevents further hair loss in over 90% of men who take it consistently. Two-thirds of patients see visible regrowth within 12 months.
💌
FDA-approved — not supplements
Unlike biotin pills or caffeine shampoos, finasteride and minoxidil are prescription medications with FDA approval specifically for hair loss. They require a physician because they work.
⏳
Results take time — stay consistent
Hair cycles are long. Give treatment 6–12 months before evaluating full results. Stopping treatment causes hair loss to resume within 3–6 months — consistency is everything.
Patient Stories

Physician-led, evidence-based care.

Individual results vary. Now accepting founding patients accounts.

"I'd been losing hair since my mid-20s. Within 5 months on finasteride I had noticeable regrowth at the crown. The intake took 4 minutes. Physician approved me the next morning. Completely worth it."
ZENKAI care team
"I was skeptical but the price made it easy to try. My hairline has stabilized completely after 8 months. The physician even noticed I had borderline low T from my intake and referred me to ZENKAI Men. Best health decision I've made."
ZENKAI care team
"As a woman dealing with thinning hair, I was embarrassed. ZENKAI prescribed me minoxidil and a custom compound. 7 months later the difference is real. No judgment, completely private process."
ZENKAI care team
Frequently Asked Questions

Hair loss treatment — answered.

Can I get finasteride online without visiting a doctor?
Yes. ZENKAI connects you with a licensed US physician who reviews your case entirely online. If appropriate, they prescribe finasteride and your medication ships free to your door within 3–5 days. No clinic visit required.
How long does finasteride take to work?
Most patients notice reduced shedding within 3 months. Visible regrowth typically begins at 6 months and continues to improve for up to 2 years. Results are best when finasteride is combined with minoxidil.
What are the side effects of finasteride?
Finasteride is well-tolerated by most patients. Sexual side effects (reduced libido, erectile issues) occur in 1–2% of users and typically resolve after stopping. Your ZENKAI physician reviews your health history to ensure suitability before prescribing.
Is ZENKAI cheaper than Hims for hair loss?
Yes. Hims finasteride starts at $35/month but requires a 3–12 month upfront payment. ZENKAI finasteride is $49/month with no upfront commitment — you pay monthly and cancel anytime. Our complete combo stack at $99/month also includes tretinoin, which Hims doesn't offer.
Does ZENKAI treat women's hair loss?
Yes. ZENKAI prescribes minoxidil and custom compounded topicals for female pattern hair loss (androgenetic alopecia). Women cannot take oral finasteride if pregnant or planning pregnancy. Your physician determines the right protocol based on your health profile.
Can I take finasteride if I'm also on TRT?
Yes — in fact, this is a common and well-studied combination. Some TRT protocols increase DHT levels, which can accelerate hair loss. Finasteride counteracts this. ZENKAI physicians routinely manage both. You can bundle ZENKAI Hair with ZENKAI Men in one plan.
Start Today

Stop losing hair. Start today.

4-minute assessment. Physician review in 24 hours. Free discreet shipping. You only pay if prescribed.

See If I Qualify — Free →
🔒 HIPAA-secure  ·  Cancel anytime

Complete your protocol

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TRT & Men’s HealthHair loss can be hormone-linked — a men’s health review may help.Medical SkincareRound out a dermatology-led routine with prescription skincare.ED TreatmentBundle the most common men’s health treatments under one care team.
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