4.8 stars | 2k reviews | 50k+ members
Thinning Hair?
THIOCYN FIGHTS IT.
- Thousands of men report less shedding
- Visible improvement reported in 6–12 weeks
- No hormones. Dermatest “Excellent”
No shampoo. No pills. Just 30 seconds a day
Why Men Lose Their Hair
Hair loss starts at the root. With every wash, part of your natural thiocyanate is washed away — a protective compound your follicles need to stay active. Without it, hair roots become vulnerable to DHT and become inactive.
The good news: Thiocyn supports your hair root in 4 steps
Restore Protection
Every wash strips thiocyanate. Thiocyn gives it back to your root.
ACTIVATE GROWTH
Strengthened roots produce strong, full hair again. Visibly.
STRENGTHEN ROOT
Your hair root becomes resilient – even against aggressive DHT.
SEE RESULTS
Less shedding, more density. No hormones, no side effects. Done.
Is your hair getting thinner? You’re not alone
Thousands of men are already using Thiocyn to fight hair loss.
Men in the U.S. deal with hair loss1
Say it directly affects self-esteem2
Real Feedback. Real Users.
We know Thiocyn works but we wanted to see what our customers actually experience in everyday life. Here’s what 2,847+ men reported after 12 weeks:
say they notice less hair shedding*
see visibly thicker hair after 12 weeks.*
report hair that feels stronger and healthier*
would recommend Thiocyn to a friend.*
Customer survey of 2,847+ Thiocyn users after 12+ weeks of daily use
Quality You Can Trust
Our serum is dermatologically tested and free from what you don't want:
Thiocyn™ - Hair Root Serum
Thiocyn™ - Hair Root Serum
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What is Thiocyn™ Root Activator Serum?
What is Thiocyn™ Root Activator Serum?
Designed to reactivate weakened hair follicles, the Thiocyn Root Activator Serum contains thiocyanate — a naturally occurring molecule that is washed away from the scalp during shampooing. This targeted formula restores that molecule directly to the hair root and reactivates follicles for thicker, stronger hair growth.
✔️ Reactivates weakened and inactive hair follicles
✔️ Replenishes the scalp with thiocyanate
✔️ Visible results in 4–6 weeks — guaranteed
✔️ Easy to apply directly to the scalp
How it works?
How it works?
Our thiocyanate formula works in three targeted steps directly on the scalp:
- First, the scalp is replenished with thiocyanate — a naturally occurring molecule that is lost during washing and is essential for keeping hair follicles active.
- Then, arginine and panthenol help support the hair roots and nourish the scalp optimally.
- Finally, antioxidants like rutin protect the hair follicles and support thicker, stronger hair growth.
Unlike ordinary hair products, this formula works directly at the hair root — where hair growth begins.
Shipping & Returns
Shipping & Returns
We process orders within 1–2 business days from our US warehouse. After dispatch, the estimated delivery time varies based on the shipping method you choose and your location.
Returns & Refund Policy
If you're not completely satisfied, simply contact our 24/7 customer service team and we'll make it right.
100-Day Full Hair Guarantee
100-Day Full Hair Guarantee
Try Thiocyn for 100 days.
If you're not satisfied, you'll receive a full refund.
No risk. No conditions.

Join 52,847+ men who trust Thiocyn
Thiocyn vs. Alternatives
No hype. No dependency. Just restore the protection your hair root needs.
Want to join the 10% of men who fight their hair loss?
100-Day Full Hair Guarantee
Try Thiocyn risk-free for 100 days.
If you see no visible results, you'll receive a full refund.
"I stand behind the effectiveness of Thiocyn with my name."
– Prof. Dr. Axel Kramer
Any last questions?
What is Thiocyn?
Thiocyn is a hair serum featuring the patented active ingredient thiocyanate. It supports hair roots and helps maintain naturally thicker-looking hair with no known side effects.
Is Thiocyn safe?
Yes. Thiocyn is dermatologically tested and rated "Excellent" by Dermatest. The formula is vegan, gentle on the scalp, and suitable for daily use.
When will I see results?
Most users notice first improvements after 6 to 12 weeks. For optimal results, we recommend consistent use for at least 12 weeks.
How do I apply Thiocyn?
Fill the applicator with the serum and apply it directly to your scalp. No rinsing required.
Are there any side effects?
No. Thiocyn has no known side effects and is suitable even for sensitive scalps.
Where do you ship to?
We ship within the USA. Orders over $60 qualify for free shipping.
How long does shipping take?
Orders are processed within 1–2 business days. Delivery typically arrives within 2–6 business days.
How does the 100-day guarantee work?
Try Thiocyn for 100 days. If you're not satisfied, we'll refund your full purchase price — no questions asked.
Can I return my order?
Yes. We offer simple, hassle-free returns in accordance with our return policy.
How should I store Thiocyn?
Store Thiocyn at room temperature and use it within 12 months of opening. Make sure to close the lid firmly after each use.