Spartan Root Activator Shampoo product bottles with before/after results
4.8 based on 4,700+ reviews

Spartan Root Activator Shampoo

Join Thousands Of Men Using This 2-Minute Hair Wash Ritual for Thicker, Fuller Hair in as Little as 10 Weeks

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Michael P.
Michael P.

My college roommate told me about Preggo. I subscribed immediately and now I'm 1.5 months in - the results are coming in hot, literally doubling my productivity.

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The Brand Doctors & Hair Experts Trust

Dr. Jessica Burgy, Board Certified Dermatologist

Dr. Jessica Burgy

Board Certified Dermatologist

With over a decade in practice, I’ve seen how much hair health impacts confidence. I recommend the Spartan Root Activator Shampoo because it’s backed by science, safe to use long-term, and help patients take control of thinning hair in a natural, effective way.

Dr. Omer Ibrahim, Dermatologist & Cosmetic Laser Specialist

Dr. Omer Ibrahim

Dermatologist & Cosmetic Laser Specialist

After training at Yale and Cleveland Clinic, I’ve focused on treatments that are both safe and scientifically proven. The Spartan Root Activator Shampoo fits that. It supports scalp health and gives patients an evidence-based way to improve hair quality and growth.

Dr. Stephen Lewellis, Board Certified Dermatologist

Dr. Stephen Lewellis

Board Certified Dermatologist

My integrative approach combines science and holistic care to help patients achieve lasting results. The Spartan Root Activator Shampoo aligns with that mission by naturally supporting the scalp, circulation, and hair follicles. Key foundations for healthier, fuller hair.

4 Clinically-Studied Compounds for Visible Results

Panax Ginseng

Panax Ginseng

Extracted from Panax ginseng root. Clinically shown to stimulate scalp microcirculation, delivering up to 34% more nutrients to hair follicles per wash.

Peppermint Oil

Peppermint Oil

A 3% concentration per serving shown in studies to promote hair growth without toxic side effects. Activates dermal papilla cells and extends the anagen growth phase.

Eclipta Prostrata

Eclipta Prostrata

A key compound from Eclipta alba. Regulates FGF-7 and FGF-5 in dermal papilla cells, outperforming 2% minoxidil in anagen phase induction.

Caffeine

Caffeine

Naturally sourced at 200 mg per application. Counteracts testosterone-driven hair follicle suppression and stimulates hair shaft elongation by up to 46%.

Two ways Spartan transforms
your hair care

It's Not Your Hair. It's DHT.

Most products treat the symptom. Spartan targets the cause. As you age, DHT silently suffocates your follicles from the inside — thinning patches appear and nothing seems to work. Our Ginseng and Eclipta Prostrata formula helps reduce DHT at the root, reopening the path for new, healthy growth.

Spartan Root Activator Shampoo product

Built for Men. Not Borrowed from Women's Aisle.

Generic shampoos aren't made for how men lose hair. Male pattern loss needs targeted treatment — not recycled formulas. Spartan's proprietary blend with Sophora Flavescens and Biota Orientalis is engineered specifically for men's follicles. Just 2 minutes in the shower. No extra steps.

Natural botanical ingredients in glass petri dishes

Proven Benefits. Backed by Science.

Your hair deserves more than empty claims. Spartan delivers real, measurable results using ingredients with decades of clinical research.

Loved By 10,000+ Satisfied Men

Real results from men who chose Spartan Root Activator Shampoo.

5 star ratingExcellent 4.7/5 based on 18,250+ customer reviews
5 star rating

4 months

Been using Spartan products for 4 months now and I still love it. These products have not let me down. I tried Mare an Particle before switching to Spartan. Definitely a customer for life!

SH
ShowtimeVerified customer
Purchased on April 9th, 2025
5 star rating

Hair is fuller and feels cleaner

Hair is fuller and feels cleaner when shampoo so far happy with this product.

GM
Greg MossVerified customer
Purchased on April 8th, 2025
5 star rating

This product is amazing. Very simple to use.

This product is amazing. You basically shampoo your hair, wait 10 minutes and it is evenly colored. It doesn't damage your hair and it has added more volume and made my hair healthier. I will never go back to coloring my hair the old fashioned way. Great job and awesome invention!

R
R. DanielsVerified customer
Purchased on March 25th, 2025
5 star rating

I used the Spartan Shampoo for the 1st...

I used the Spartan Shampoo for the 1st time, was pleasantly surprised how good my hair felt and also my scalp. My hair felt and looked much fuller also. It did settle down after continues use, very happy with the product, and would recommend it to my friends.

G
Gary ReynoldsVerified customer
Purchased on April 1st, 2025
5 star rating

Spartan products work as marketed

Spartan products work as marketed and described. I was delighted with this result. I use several of their products. Ordering is effortless and delivery is rapid. I, and my great thick hair are devoted customers for life.

J
j pVerified customer
Purchased on March 14th, 2025
5 star rating

I'm still on my first bottle of shampoo...

I'm still on my first bottle of shampoo and conditioner. I've been using it for 4 weeks and I'm seeing hair growth that I didn't have since I was 18 years old. Little be little more hair is growing. It's obviously not thick yet but it's definitely growing hair where I had none. I'm pretty impressed and hopeful.

AF
Aaron FlynnVerified customer
Purchased on March 14th, 2025
5 star rating

I had low expectations for this...

I had low expectations for this product, but the price was worth a try. I have been nearly bald for 25 years. I am now on my second bottle and amazingly I have normal hairs growing again. Its exciting to see more and more hairs everyday.

D
Don LindsleyVerified customer
Purchased on March 12th, 2025
5 star rating

Happy user!

Really pleased by the way the Spartan shampoo and conditioner leave my hair. Clean and I can see the thinning starting to get better!

DG
David GrovesVerified customer
Purchased on March 6th, 2025
5 star rating

A Wake-Up Call for My Scalp!

Fantastic product that feels great to the scalp. It's like a morning wake up call. My hair has stopped falling out and after using it longer, I expect new growth to start.

DS
David StephensVerified customer
Purchased on March 5th, 2025
5 star rating

Well I was skeptical at first but after...

Well I was skeptical at first but after 45 days people have said my hair is thicker. Now don't expect miracles but definitely noticeable improvement.

AL
AlonsoVerified customer
Purchased on March 3rd, 2025
5 star rating

I can see new hair!!!

I can see new hair!!!! It works. I like when I put it on because it feels like it's working. I feel a little tingling on my scalp. Good product I plan on using this for a while. I've been using this for about 4 weeks now.

T
Thayne MillsVerified customer
Purchased on February 28th, 2025
5 star rating

Spartan

It works you just have to have patience it thickens hair and regrows hair only been using 2 months I'm going to keep using.

JW
Jeff WallVerified customer
Purchased on February 27th, 2025
5 Reasons Why

Spartan is Different From Everything You've Tried

Natural botanical ingredients for hair growth
Reason 1

100% Natural, Zero Chemicals

No minoxidil. No finasteride. No synthetic chemicals. Just 18 clinically selected botanicals like Panax Ginseng, Peppermint Oil, and Licorice Root — proven to support hair growth without the side effects.

Healthy hair follicles close-up
Reason 2

Targets DHT at the Root

Most shampoos clean your hair. Spartan treats the cause. Our formula helps block DHT — the hormone that silently shrinks your follicles — using Sophora Flavescens and Eclipta Prostrata to reopen the path for new growth.

Man applying shampoo in shower
Reason 3

Just 2 Minutes in the Shower

No extra steps. No pills. No messy topicals. Replace your regular shampoo with Spartan, lather for 2 minutes, and rinse. The easiest hair growth routine you will ever follow.

Confident man with healthy hair
Reason 4

No Side Effects, No Compromises

Unlike prescription treatments that can cause fatigue, dizziness, or worse — Spartan is drug-free and gentle enough for daily use. Even on sensitive scalps. Safe, effective, and built for the long run.

Before and after hair growth results
Reason 5

18,250+ Men. Visible Results in 8 Weeks.

93% report increased hair growth. 86% see thicker hair. 77% experience reduced shedding. These are not lab projections — they are real results from real men, backed by 18,250+ verified reviews.

30-day money back guarantee
30DAYS

Feel The Difference

30-Day Risk-Free Trial

If you don't experience noticeable improvements in hair thickness, fullness, or reduced shedding within 30 days, simply return your order for a full refund—no questions asked.

Confident man with healthy thick hair holding Spartan shampoo
MONEY BACK* * *30DAYSGUARANTEE
Spartan Root Activator Shampoo bundle

Stock up. Save more. Never run out.

While you'll notice improvements within 3 weeks, consistent use over 3–6 months ensures you reduce DHT levels up to 73%. This means your hair will be completely revitalized, and your new fuller look will last for years to come. Plus, the 6-month bundle saves you even more money, reducing the cost from $65 to just $21 per bottle, with free shipping included.

30-day money back guarantee

Frequently asked questions

Preggo bottle
Preggo - Sperm Health Support Capsules