3D Bio-Boost Serum
Regrow Stronger, Thicker Hair in 12 Weeks – Or It’s Free
Additional information
€59.00
Hair Growth Kits
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🚨 150 days money-back guarantee
Buy Now. Pay Later with
Clinically proven
formula
100% drug-free
ingredients
Results in 1–3
months
Clinically tested for real results.
Rewiew from Inga: “HAIRTWO products which I have been using approximately for 2 months already and what can I say I’m super excited about this product and I don’t think I’m gonna stop using it anytime soon because my hair condition improves so much it looks so healthy so shiny…”
What's in the bundle?
All products you see in the main image
How does it measure up against leading pharmaceutical hair growth products?
Hairtwo is a non-medicated formula, free from ingredients known to affect your body’s metabolism or disrupt hormonal balance. It supports your body’s natural processes—working with it, not against it.
What scientific research supports its effectiveness?
We conducted a clinical trial with 30 participants—both men and women aged 18 to 65—experiencing various types of hair loss. Over the course of 150 days, they used our Hairtwo 3D-Bio Boost Serum, and the results speak for themselves:
77% reported reduced hair loss after just 45 days
93% showed a clinically confirmed reduction in hair loss after 150 days
73% experienced a measurable increase in hair density after 150 days
Curious about the details?
How quickly can I expect visible results?
Results may vary from person to person, but in our clinical trial, 77% of participants reported reduced hair loss after just 45 days, and 73% experienced a measurable increase in hair density after 150 days.
Interestingly, many of our customers say the first thing they notice is less hair left behind in the shower—often within just a few weeks of consistent use.
Does it work for all kinds of hair loss?
Hairtwo® is designed to support nearly all types of hair loss—provided the hair follicles are still capable of growth.
In many cases, follicles remain active during the early stages of hair loss, making it possible to stimulate new growth. That’s why starting treatment early can lead to noticeably better results.
How to use Extreme Hair Growth Blend?
Why an Aluminum BPA-Free bottle is better than plastic?
No Harmful Chemicals: Aluminum bottles labeled BPA-free are made without Bisphenol A, a chemical often found in plastic that may disrupt hormones.
Better for the Environment: Aluminum is highly recyclable and can be reused indefinitely without losing quality—unlike plastic, which degrades with each cycle.
Keeps Contents Fresh: Aluminum offers a superior barrier against light, air, and moisture, helping preserve the quality and shelf life of what’s inside.
More Durable: Unlike plastic, aluminum doesn’t warp, crack, or leach chemicals over time—especially when exposed to heat or sunlight.
Eco-Conscious Appeal: Choosing aluminum supports a more sustainable, lower-waste future, reducing plastic pollution in landfills and oceans.
What do 1-3 month hair growth results look like?
Results*, that will surprise you:
8 out of 10 people who tried Hairtwo say they’d recommend it
*Backed by clinical trials on Hairtwo products.
If you don’t see results
in 150 days, we’ll
refund you
Step 1: Document your journey
Take a photo of the treated area each month, starting pre-treatment. You might be surprised at how much progress you’ve made!
Step 2: Use the 3D Bio-Boost Serum daily
Make sure to apply 3D Bio-Boost Serum every day, even if you skip the shampoo and conditioner.
Step 3: Stick to it for 150 days
Use at least five bottles of 3D Bio-Boost Serum over a 150-day period. This is the period in which our clinical test showed noticeable results for 97% of participants.
Customer reviews
| 5 star | 81% | |
| 4 star | 10% | |
| 3 star | 3% | |
| 2 star | 3% | |
| 1 star | 3% |
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I saw an ad for the shampoo, conditioner, and serum on Facebook and decided to give it a try. It looked promising, and honestly, I just wanted my hair to feel fuller and easier to manage. From the very first use, I was impressed — my hair felt softer, looked healthier, and was way easier to control. I’m genuinely happy with the results. If you’re thinking about trying it, I say go for it — you won’t be disappointed!
I’ve been using the Hairtwo Hair Serum for the past 8 months, and honestly — it’s a game changer. I originally bought it because my scalp was always dry and itchy, especially in the winter. Nothing ever seemed to help long-term… until this.
Within the first week, I noticed a real difference. My scalp felt calmer, more balanced — no more flakes, no more tight, uncomfortable feeling (if “tight” is even the right word for a scalp!). It just felt better.
As the weeks went on, I started seeing changes in my actual hair too. It felt softer, looked shinier, and became so much easier to manage. But the biggest surprise? The growth. My hair has always been slow to grow and kind of thin, but now I’ve got new baby hairs coming in around my hairline — and it’s grown almost 3 inches since I started. It feels fuller, stronger, and way healthier overall.
If you’re dealing with dryness or struggling with slow hair growth, seriously — try it. Hairtwo has become a non-negotiable in my self-care routine. I’m definitely stocking up again!
I purchased the hair serum along with the shampoo and conditioner, and so far, so good. My results have been a bit slower than what I’ve seen from others, but I have noticed that my strands feel thicker and fuller overall. I’ve actually had to trim my hair more often, which definitely says something! That said, the thinner or balding areas haven’t changed much yet — but I’m still early in the process.
I’ve been using it about twice a week, and there’s still plenty left. Honestly, “a little goes a long way” doesn’t even begin to cover it. I’m hopeful that with continued use, I’ll see even more progress.
Wasn’t sure at first, but this serum really surprised me. My hair’s been thinning for years—just part of getting older, I figured. But after about 6 weeks of using Hairtwo, I started noticing little baby hairs popping up around my temples. I actually did a double take. Where did those come from?
It smells clean (not perfumey, thankfully), and I usually apply it at night. It absorbs quickly, doesn’t leave a mess on my pillow, and washes out easily in the morning.
Honestly, I didn’t expect much. I’ve tried so many things over the years. But now my hair feels stronger when I brush it, there’s less breakage, and while I still have some shedding, it’s nowhere near as bad. Even my daughter said my hair looks “nicer” — which totally made my day.
Really wish I’d found this sooner.
I’ve tried so many different hair products over the years with little to no success, so I’ll admit—I was skeptical about Hairtwo. But this has truly been a game-changer for me. My hair feels soft, looks shiny, and best of all, it doesn’t irritate my sensitive scalp like so many others have.
I’m honestly so glad I gave it a chance. Highly recommend!