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Dr. Francis Mont, MD
Plant serums can't send a signal a human follicle recognises. Growth factors can. That's the difference my patients see.
One bottle a month, $45.99, billed monthly. Three phases, one bottle each. Each phase's tool ships free in the same box: Phase 1, the Derma Roller (scalp prep). Phase 2, the Root Stimulation Massager (circulation). Phase 3, the Red Light Root Activator (density).
Cancel any time, in one email or from your account. Tools you've already received are yours to keep. Use it for 90 days; if you don't see the difference, email us for a full refund. No photos, no forms.
Your follicles don't die, they go dormant. They stop getting the signal to grow. Cactevo sends it: human growth factors, the same signalling proteins clinics use, carried through the scalp by nano-diamonds a few nanometres wide.
Human growth factors (conditioned media), colloidal nano-diamond, prickly pear stem extract. 8 ingredients. No alcohol, no propylene glycol, no fragrance, no hormones.
Full Ingredient List (INCI)
Every night on a dry scalp: part your hair, spray along the thinning area, press it in. Dry in 2 minutes. One bottle lasts about 30 days.
Use it for 90 days. No difference, full refund. No photos. No forms. One email.
Ships next business day in a plain box. Nothing on it says hair.
Phase 1Scalp prep
Phase 2Circulation
Phase 3DensityWhich one are you?
Where it's happening
What failed before
“The corners are going. I push my hair forward and check the mirror every morning.”
Your follicles are still there. They stopped getting the signal to grow.
The hairline is where follicles go quiet first. Cactevo puts clinic-grade growth factors right on them, carried in by nano-diamonds, and switches them back on. Minoxidil's own label says it isn't for the hairline. This is.
91% of men saw visible new hairline growth by day 90
“I only see it in photos from above. Or under the bathroom light. Then I can't stop seeing it.”
Your follicles are still there. They stopped getting the signal to grow.
A thinning crown is follicles shrinking a little more every cycle. Growth factors are the signal that tells them to grow full-size hair again. Spray it on the crown, every night, two minutes.
3.2× strand density at the crown vs baseline
“The drain. The pillow. The hairs on my keyboard. It's more than it used to be.”
Your follicles are still there. They stopped getting the signal to grow.
Shedding is the first sign follicles are dropping out of the growth phase. Cactevo sends the signal that keeps them in it. Most men see less in the drain within three weeks.
97% reduction in daily shedding in 90 days
“Twice a day for a year. Greasy pillow, itchy scalp. And it barely did anything.”
Your follicles are still there. They stopped getting the signal to grow.
Minoxidil only works if your scalp has enough of an enzyme called SULT1A1 to switch it on. Around 1 in 3 men don't. Cactevo arrives switched on. No enzyme needed. Once a day.
No enzyme. Works on the men minoxidil doesn't
“I read the side effects once. That was enough. I'm not putting that in my body.”
Your follicles are still there. They stopped getting the signal to grow.
Finasteride changes your hormones to protect your hair. Cactevo doesn't touch them. No pill. No hormones. Nothing in your bloodstream. It works on the scalp, where the hair is.
0 hormones touched
Day 0
Day 90“By day 60 the crown had fuzz. By day 90 my barber asked what I was using.”
Day 0
Day 90“I stopped taking photos of my crown because I didn’t want to see it. Now I take them because I do.”
Day 0
Day 90“Two years on minoxidil did less than three months of this.”
Why nothing worked before
Every hair serum you've seen is a plant: rosemary, turmeric, ashwagandha, "plant stem cells". A plant extract cannot send a signal a human follicle recognises. Cactevo carries human growth factors: the same signalling proteins clinics use, the message your follicle was built to read.
Your scalp is a barrier built to keep things out. Most serums sit on top of it and wash off. Cactevo's nano-diamonds are thousands of times smaller than a pore and carry the growth factors down to the follicle, where the signal has to land.
A follicle that stops growing hair isn't dead. It's dormant, waiting. When the signal arrives, it goes back into the growth phase: first less shedding, then fine new hairs, then thicker, darker ones.
Dr. Francis Mont, Board-certified dermatologist
Engineered in Tokyo
Three parts in every drop. Each one is hard to make on its own. Your part takes two minutes.
Opuntia Ficus-Indica Stem Extract, Sodium Chloride, Human Umbilical Cord Mesenchymal Stem Cell Conditioned Media, Colloidal Diamond, Water, Citric Acid, Sodium Citrate, Phenoxyethanol.
01 · The signalHuman growth factorsGrown from cultured cells in a Tokyo lab, then made cell-free. Plants can't make them. Most labs can't keep them stable in a bottle. We do. 97% less daily shedding in our 90-day trial.
Benefits
02 · The carrierNano-diamondsDiamond particles a few nanometres wide. They naturally clump and sink. Keeping billions of them suspended in every drop is the hardest part of making Cactevo, and it's what carries the growth factors through the scalp barrier to the follicle.
Benefits
03 · The base8 ingredients. Nothing else.No alcohol. No propylene glycol. No fragrance. No hormones. Prickly pear stem extract calms the scalp so it's ready to take the signal. Water-light, dries in two minutes, nothing on your pillow.
Benefits
What happens to your hair
Day 14
The signal reaches the follicle. Shedding slows. You notice the shower first.
Phase 1 · Bottle 1 + Derma Roller
Day 45
Dormant follicles restart. Short, fine hairs at the corners and the crown.
Phase 2 · Bottle 2 + Massager
Day 90
New hairs thicken and darken. The scalp shows less under the bathroom light.
Phase 3 · Bottle 3 + Red Light
The 3-Month Signal Protocol
Phase 1
Days 1–30 · Scalp Prep
Included free $24.99
0.5 mm needles · 540 needles · stainless steel · sealed sterile
The job: Once a week, it opens thousands of micro-channels in the scalp so the growth factors get past the barrier and down to the follicle, instead of sitting on top.
Phase 2
Days 31–60 · Circulation
Included free $22.98
Soft silicone tips · 4 minutes a day · use in the shower
The job: Brings blood flow to the follicles that are waking up, right when the first fine hairs appear around day 45. Four minutes of daily scalp massage was shown to thicken hair in men.
Phase 3
Days 61–90 · Density
Included free $28.99
650 nm red light · the wavelength used by clinical hair devices · auto timer
The job: Red light at 650 nm is absorbed by the follicle's mitochondria and turned into cellular energy (ATP). That's what the new hairs need to thicken before day 90.
Because the signal only works if it lands. The roller opens the way, the massager brings the blood, the red light gives the new hairs the energy to thicken. We take the hit on the hardware so you get the result, and so you stay for all three phases.
Start my protocol90
Day guarantee
Use it for 90 days. If you don't see the difference, email us and get a full refund. No photos. No forms. No questions. Other brands make you send in scalp photos. We don't.
Three bottles. Three tools. Ninety days.
Phase 1Scalp prepPhase 2CirculationPhase 3DensityThree phases, one bottle each, $45.99 a month. Phase 1 opens the scalp (Derma Roller). Phase 2 brings blood flow to the follicles that are waking up (Root Stimulation Massager). Phase 3 gives the new hairs the energy to thicken (Red Light Root Activator). Each tool ships free in the box with its bottle.
In the same box as the bottle for that phase: the roller with your first order, the massager with your second, the red light with your third. Each one arrives when your hair is ready for it.
Any time, in one email or from your account. Tools you've already received are yours to keep. Just know that the fine new hairs show up around day 45: stop at day 30 and you stop before Phase 2.
Less shedding in about 2 weeks. Fine new hairs around day 45. Visible regrowth by day 90. That's why the protocol runs for 90 days.
Signalling proteins your body uses to tell cells what to do, including telling a follicle to grow hair. Cactevo's come from cultured human cells in a Tokyo lab and are cell-free: the signals, not the cells.
Growth factors only work if they reach the follicle. Nano-diamonds are a few nanometres wide, small enough to carry them through the scalp barrier instead of sitting on top.
Those are plant extracts. A plant extract cannot send a signal a human follicle recognises. Cactevo carries human growth factors, the signal the follicle was built to read.
Yes. Many men start Cactevo alongside and drop the minoxidil later. Apply Cactevo at night on a dry scalp.
Yes. Hairline, crown and part line. Apply it wherever you're thinning.
No hormones, no drug, no alcohol. It works on the scalp, not your bloodstream. If your scalp is sensitive, patch-test first.
90 days. If you're not happy, email us for a full refund. No photos, no forms.
Overall rating: 4.8 / 5 from 311 reviews.
Listen up if your hair is thinning. I was scared of losing my hair at 35 but this shampoo stopped it dead in its tracks. Plus my scalp doesn't itch anymore and I'm seeing little hairs pop up where it was thin. Seriously try it.
Quick review: been using 10 weeks. Hair stopped falling out so much and looks way better. Gonna buy more.
I'm 42 and was getting super thin up top. 4 months of using this and I can actually style my hair without seeing my scalp!
simple review: hair loss way down, seeing new growth, scalp feels better. 3 months in and counting
Started losing my hair in my late 20s and tried everything. Been using this for 3 months and no joke, my wife says my crown is filling in. Hair's thicker and my scalp feels way better. Gonna keep using it for sure.
Straight up best thing I've used for my hair. Crown was getting scary thin but now its filling in nice. Takes a few months but stick with it.
started this when i noticed my hairline going back. 12 weeks later and my hair looks fuller than before. barber asked what i was using
didnt believe the hype but figured id try. 3 months in and wow my hair feels thick again. mom noticed right away when i visited
I’ve used it just only for 2 days, still I’m waiting for the results.
For now es Good! I hope a better resultados
Been using it for a little over 3 months and I can tell a difference and the growth of my hair is filling in 😊
Thicker, shinier and more volume… On for 6 months
To early but I see hair volume and growth in just 4 weeks
Works great!!
Start using and looks great
At the moment I have not seen any change I have used the product every day I will continue to wait to see results very soon
Just wanted to drop a review cause this stuff saved my hairline. Been using it almost 4 months and my hair looks so much better its crazy. Not even expensive when you think about what you're saving.
No idea why this works so well — it is absolutely the best. Instant difference and I have been spending crazy amounts of money for keratin treatments and buying their products but no longer. Really happy with this
Proofs in the pictures...washed every other day for 3 weeks. I don't expect full thickness to return but it's no longer a bald spot. It's nice to have other hair cut options other than short
This product is amazing, my hair is thining due to stress and hormonal issues. I have only been using it for 5 days and my hair looks thicker and healthy like it used to. Can't talk about helping your hair grow back as I have not used it enough. The price is good compared to other shampoos . I highly recommend this product.
Just had it for 3 days can't really give you an answer on how it works yet.
Highly recommend this product to everyone.
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After six months of daily use of the serum, shampoo and conditioner, I am happy with the results. My hair is strong and I can see it growing and growing. I am using these products as a complement to mesotherapy treatment.
My new go-to for everyday use.
