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Block DHT. Stop hair loss. Start regrowth.
✓ Dermatologist Recommended
Root Cause Tri-Activa™ DHT-Blocker Shampoo
- Blocks DHT at the root — the hormone switching off your follicles.
- Visible results in 12 weeks, or your money back — no questions asked.
- No minoxidil. No finasteride. Without the medication side effects.
Choose your treatment:
Full treatment = best result
A Tri-Activa™ treatment lasts 3 months. That's the time follicles need to respond.
90-day money-back
Free shipping
100% natural
Shipping & delivery
Free shipping throughout Europe via PostNL.
Delivery time: 4-8 business days
Track & Trace: You'll receive a tracking code once your order ships.
How to use
Use Root Cause™ 4 times a week to replace your regular shampoo. Massage into wet scalp, leave in for 2 minutes, then rinse thoroughly.
One bottle lasts about 1 month.
90-day money-back guarantee
Not satisfied? Send an email to our customer service and you'll get your full purchase amount refunded — no questions, no hassle.
Root Cause Tri-Activa™ DHT-Blocker Shampoo
Sale price$39.95
Regular price$0.00 (/)
The real cause
Hair loss isn't bad luck — it's a process.
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Our Formula
Tri-Activa Root Formula™
Three actions. Four ingredients. One formula that tackles hair loss at the source.
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How the treatment works
One action. Three steps. Ninety days.
No pills, no creams, no hassle. Just shower — like you already do.
1
Wash your hair, like normal
4× per week. Massage the shampoo into your scalp for 60 seconds — that activates the Tri-Activa™ formula.
2
DHT gets blocked
Licorice root and black sesame block 5-alpha-reductase — the enzyme that converts testosterone into hair-loss-causing DHT.
3
Your hair comes back
Ginseng and Eclipta activate dormant follicles. Week by week, you see less shedding and new hair appearing.
The numbers speak for themselves
Based on 2,347+ verified users
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*based on self-reported data, 2023–2025
What to expect
12 weeks of transformation
What 2,347+ men reported, week by week
BEFOREWeek 0Start
Thinning crown and noticeably more hair in the shower.
WEEK 4Week 4Less shedding
Shedding decreases, crown looks denser.
WEEK 8Week 8New growth
Fine baby hairs at the hairline become visible.
WEEK 12Week 12Fuller hair
Visibly fuller, thicker hair — and the confidence that comes with it.
Real men · Real results
You're not the only one —
and you don't have to solve this alone.
★★★★★
4.8/5 · 2,347+ verified reviews
★★★★★
After 12 weeks, my wife noticed
"This really works." That's what my wife said after about three months. I saw it myself earlier in the shower — far less hair on the tiles. Now, after half a year, my crown is visibly fuller. Should have found this 5 years earlier.
P
Peter V.
★★★★★
Finally out the door without a cap
Years of struggling with minoxidil — every time you stop, it all comes back. Root Cause is the first thing I use in the shower and think: this isn't work, this is just shampoo. And it works. Going outside without a cap again, after 4 months.
D
Dennis K.
★★★★★
Started skeptical — now a fan
Honestly: I ordered this thinking "I'll just get my money back". After 6 weeks there was noticeably less hair in my brush. After 3 months I saw in photos that my hairline was stable — for the first time in years. I'm sticking with it.
M
Mark B.
Honest comparison
Root Cause vs. the alternatives
Why men make the switch
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| Addresses root cause | Translation missing: en.rc.pdp.comparison.col_1.row_1 | Translation missing: en.rc.pdp.comparison.col_2.row_1 | Translation missing: en.rc.pdp.comparison.col_3.row_1 | Translation missing: en.rc.pdp.comparison.col_4.row_1 |
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| Natural | Translation missing: en.rc.pdp.comparison.col_1.row_6 | Translation missing: en.rc.pdp.comparison.col_2.row_6 | Translation missing: en.rc.pdp.comparison.col_3.row_6 | Translation missing: en.rc.pdp.comparison.col_4.row_6 |
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Our Story
Mark Huizenga
Chemist & Co-founder
When I noticed my hairline receding at 35, I thought I just had to live with it. I tried everything — minoxidil, biotin, expensive clinics. Nothing addressed the real cause. So I went to work on it myself. Seven years later, Root Cause is here — the formula I wished I had years ago.
I didn't make this to sell a product. I made it because I needed it myself.
90
Days
Money back
Your risk = zero
Try it 90 days.
Doesn't work? Full refund.
We believe in our formula. You don't have to, upfront. Use Root Cause for 90 days. See no difference? Send one email — we refund the full amount. Including shipping. No returns, no forms, no questions.
- Full amount refunded
- No questions asked
- Shipping included
- Dutch customer service
Frequently asked questions
Everything you want to know before you order.
Don't see your question? Send an email to info@rootcausemen.com — we reply within 1 business day.
When will I see the first results?
Reduced shedding is usually noticeable within 3–4 weeks. New baby hairs become visible around day 45–60. Visibly fuller hair appears after a full 90-day treatment. That's why we strongly recommend the 3- or 6-bottle pack — with one bottle you just see the first change, and then you don't want to stop.
What if it doesn't work for me?
Then you get every euro back. You have 90 days to test. If it doesn't work, email info@rootcausemen.com and we refund the full amount — including shipping — within 5 business days to your account. You don't even need to send back the empty bottles.
Are there side effects?
No. Root Cause is 100% plant-based, dermatologically tested, and contains no minoxidil, finasteride, or synthetic hormones. No 'shedding' like with minoxidil, no dependency, and no medication-associated side effects. For skin irritation (rare) you simply stop and use the 90-day guarantee.
Do I have to keep using this for the rest of my life?
Unlike minoxidil and finasteride: no. Because Root Cause addresses the cause (DHT) instead of masking symptoms, results are largely maintained even if you stop. Most users switch to a maintenance schedule of 2× per week after 6 months.
Is this a subscription?
No. One-time purchase, no hidden renewal, no monthly charges. Want to reorder? You do it yourself, whenever you want. With the 6-bottle pack, you have enough stock to not look at an order page for half a year.
How fast is shipping?
Order before 10pm? Your package is at your door the next business day (Netherlands) or within 2 business days (Belgium). Discreetly packaged — no mention on the outside. Free from the 3-bottle pack.
Why is this only available through this page?
The discount and free scalp brush gift are a one-time offer for men who read the article. On our regular webshop you pay the full price. Close this page and the offer expires — you won't see this price again.
What type of hair loss does this work for?
Root Cause is developed for androgenic alopecia — the most common form of male hair loss, caused by DHT. This includes crown thinning, receding hairline, and overall thinning hair. For alopecia areata (patchy) or telogen effluvium (stress-related) it's less effective — consult a dermatologist if in doubt.
Does it work if I've already lost a lot of hair?
What matters is whether your follicles are still alive. If your scalp still has a shadow or fine vellus hairs, the follicles are still there — just dormant. Root Cause can wake them up. Completely bald terrain (shiny skin, not a single hair) will not revive. A good indicator: can you see tiny hairs under bright light? Then there's work to do.
Can I combine it with minoxidil or finasteride?
Yes, there are no known interactions. Many men use Root Cause to taper off medication (DHT blockade is already covered) or alongside existing treatment as additional support. Consult your doctor if you're on prescription medication.
Your next step
Tackle the cause —
starting today.
You know how DHT works. You know how to block it. You have 90 days guaranteed to see for yourself if it works for you — risk-free.
🛡️ 90-day money-back · Free shipping · Shipped today