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Your Hair Loss Has a Name. It Isn't "Aging."
Somewhere in perimenopause, estrogen begins an uneven decline — and hair follicles are some of the most estrogen-sensitive tissue in the body. That's not a guess. That's a mechanism. Maison Vasseur is the first at-home serum formulated around it.
You're standing at the bathroom sink, brush in hand, and there's more hair in it than you remember there ever being before. You tell yourself it's stress. Then the season. Then, somewhere around the third or fourth time this happens, you start to wonder if something else is going on.
It is. And it isn't just "getting older." If any of this sounds familiar, you're not imagining it — and you're not alone in it:
- A part that keeps getting wider, no matter how you style it
- A ponytail that feels noticeably thinner in your hand
- More hair left behind in the shower drain and on your pillow
- A hairline that's quietly moved since your 30s
- Other new changes arriving around the same time — sleep, temperature, mood
There's an actual mechanism here. Not a guess.
Almost every hair serum on the market is formulated for hair loss broadly — breakage, general thinning, scalp health. Almost none are built for this specific hormonal shift. Here's the gap we found.
Estrogen, not "aging"
Hair follicles are some of the most estrogen-sensitive tissue in the body. Estrogen plays a direct role in how long a follicle stays in its active growth phase — when estrogen drops sharply in perimenopause, more follicles shift into a resting phase at once than usual. That's the mechanism.
Why your doctor moved past it
In 2002, a major hormone therapy study made headlines linking it to health risks. Hormone therapy use among women over 40 dropped by more than three-quarters over the following decade — and a generation of doctors was trained to avoid the subject entirely.
Not the same as genetic thinning
Genetic pattern thinning is real, but it has a different timeline and shape. A fairly sudden shift, often alongside sleep and temperature changes, isn't a coincidence pattern — it's a hormone pattern.
The Follicle Balance Complex
Built around three jobs — support the follicle's growth phase, ease the irritation that makes most women quit minoxidil early, and address the hormonal pathway most formulas ignore entirely.
Minoxidil — Maximum OTC Strength
The most clinically studied active in hair regrowth, at more than double the 2% most women's formulas cap out at to minimize irritation.
Licorice Root Extract & Panthenol
Included specifically to ease the scalp irritation that causes most women to quit minoxidil before it ever has the chance to work.
Argan Oil & Phytoestrogen Botanicals
Red clover and soy isoflavone extracts gently support the estrogen pathway at the follicle, alongside DHT-moderating botanicals for the secondary hormonal pathway.
Caffeine
Supports scalp circulation and absorption, so more of the active complex reaches the follicle where it's needed.
The reason most women don't see results from minoxidil isn't the ingredient — it's the dose. At 2%, you're using less than half of what's clinically available. Ours uses 5%, the maximum concentration approved for over-the-counter use.
The timeline, honestly
This is the established clinical pattern for minoxidil. Individual results vary — but the women who stay consistent are the ones who see it through.
The reset phase
For many women, this stage actually looks like more shedding, not less. That's your existing hair cycle resetting to make room for new growth — not a sign it isn't working. It's the stage most people quit at, right before it starts paying off.
The first evidence
Regrowth typically becomes visible — fine, new hairs along the part and hairline. Small at first, but the earliest real proof the formula is working.
The compound result
Fuller, thicker-looking hair — the result of staying consistent. This is when other people start to notice the difference, not just you.
Five percent is the clinical ceiling. Most formulas don't reach it.
Several well-known women's hair products default to a lower concentration, in a liquid base that sits on the scalp for hours. Here's the difference.
| Maison Vasseur | Other Women's Serums | |
|---|---|---|
| 5% clinical-strength minoxidil | ✓ | ✗ (typically 2%) |
| Fast-absorbing formula, not a residue-leaving liquid | ✓ | ✗ |
| Formulated specifically to ease irritation | ✓ | ✗ |
| Built for the hormonal mechanism, not generic thinning | ✓ | ✗ |
| 30-day money-back guarantee | ✓ | Varies |
Not a filter. Not an angle.
Reduced part width, fuller ponytail circumference, visible regrowth along the hairline — actual change visible in photos.
Real results, real customers
"I've tried the gummies, I've tried the expensive serum everyone recommends. This is the first one that made sense to me before I even used it. It's been about four months — it's the first one that's actually done something."
"I didn't expect a serum to make me emotional, but the first time I noticed a difference along my part, I actually teared up. This isn't really about hair. It's about recognizing myself again."
"The first time I understood what was actually happening to my hair, something clicked. A few months in, I've noticed a real difference, and I stopped bracing myself every time I brushed my hair."
Choose Your Supply
Hair growth cycles are slow — results build over 3 to 6 months of consistent use. Save more when you commit to the timeline that actually works.
1 Bottle
- 5% minoxidil serum, 30-day supply x2
- Free shipping
- 30-day guarantee
3 Bottles
- Full 6-month regrowth cycle
- Free gift included
- Free shipping + priority support
- 30-day guarantee
2 Bottles
- 4-month regrowth supply
- Free shipping
- 30-day guarantee
Try it for 30 days. Risk-free.
If you're not satisfied, contact us and we'll refund your purchase. No complicated conditions, no runaround.
Find the Answer
What makes Maison Vasseur different? +
Minoxidil is one of the most studied ingredients in hair regrowth, with decades of published data and FDA approval behind it. Most women's formulas cap out at 2% to minimize irritation — at that concentration, you're using less than half of what's clinically available. Our formula uses 5%, the maximum concentration approved for over-the-counter use, paired with licorice root extract and panthenol to ease the irritation that causes most women to quit minoxidil early.
How long does it take to work? +
Weeks 2–6: this stage can look like more shedding, not less — your hair cycle resetting, not a sign it isn't working. Weeks 6–12: regrowth typically becomes visible along the part and hairline. Weeks 12–24: fuller, thicker-looking hair — the compound result of staying consistent.
Can I use this during perimenopause? +
Yes — it's formulated for the hormonal transition. Many women start noticing changes during perimenopause, or before menopause itself. We recommend checking with your doctor or pharmacist before starting any new topical treatment if you're currently on hormone therapy or other medications.
How do I use it? +
Apply to a dry or towel-dried scalp, focusing on the part line and areas of visible thinning. Use 1–2 dispenses directly to the scalp, section by section. Gently massage in for 30–60 seconds, do not rinse, and leave in overnight. Use once daily, ideally at night, for at least 3 months.
What's your guarantee? +
Try it for 30 days. If you're not satisfied, contact us for a refund — no complicated conditions.
That's usually a sign you already suspected something like this was true.
Maison Vasseur is formulated around the mechanism above — built for the hormonal transition, not generic aging. Try it. If it's not working for you, we'll refund it.
Shop The Serum — $70
7 Reasons This Is The Only Growth Serum Worth Using If You're In Perimenopause or Menopause
THE PROBLEM
You're standing at the bathroom sink, brush in hand, and there's more hair in it than you remember there ever being before. You tell yourself it's stress. Then you tell yourself it's the season. Then, somewhere around the third or fourth time this happens, you start to wonder if something else is going on.
We'll be honest about something: we expected to find the usual story when we started looking into this — a trendy ingredient with a marketing budget behind it, dressed up as science. That's not what we found.
What we found was a specific, well-documented hormonal mechanism that almost nothing on the market is actually built around — and a twenty-year-old reason almost no one had explained it to us.
Here's what changed our minds, reason by reason.
REASON
01
THE REAL CAUSE
1. Your Hair Loss Has A Name. It Isn't "Aging."
Somewhere in perimenopause, estrogen begins an uneven decline.
Hair follicles are some of the most estrogen-sensitive tissue in the body, which is why this shows up here before it shows up almost anywhere else.
-
★★★★★
The first time I read what was actually happening to my follicles, I felt more relief than I did from anything a doctor told me.. and that was before I even started using it.
REASON
02
THE TRAINING GAP
2. Your Doctor Was Trained To Miss This. Not To Dismiss You.
In 2002, a major study on hormone therapy made headlines linking it to serious health risks. Hormone therapy use among women over 40 dropped by more than three-quarters over the following decade.
A generation of doctors was trained to avoid the subject entirely, which is very possibly why yours moved past it
too quickly.
REASON
03
THE TIMING TELL
3. Genetics Doesn't
Explain Hair That Was Fine At 30.
Genetic pattern thinning is real, but it has a different timeline and shape than what a lot of women describe.
A fairly sudden shift, often alongside other new symptoms, sleep changes, temperature regulation, mood, these all show up around the same time.
That's not a coincidence pattern. That's a hormone pattern.
Outcome: Reduced part width · Fuller ponytail circumference · Visible regrowth along the hairline · Less hair shed daily. Not a filter, not an angle — actual change visible in photos.
DON'T WAIT FOR REASON 7.
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REASON
04
THE FORMAT
4. A Foam Absorbs In Seconds. A Liquid Sits There For Hours.
Liquid minoxidil has to sit on the scalp to absorb, often leaving residue on hair and pillowcases.
A fast-absorbing foam delivers better results, without the wait, and without the mess.
REASON
05
THE PLACEBO PROBLEM
5. Five Percent Is The Clinical Ceiling. Most Formulas Don't Reach It.
Minoxidil is the most clinically supported active ingredient available. Maison Vasseur is formulated at 5% minoxidil — the maximum strength available without a prescription. Several well-known women's hair products default to a lower concentration.
Comparison table
Maison Vasseur Hair Growth Serum is formulated specifically for women entering metapause.
| Maison Vasseur | Other Serums | |
|---|---|---|
5% clinical strength minoxidil |
||
Fast absorbing foam, not liquid |
||
Formulated to ease irritation |
REASON
06
THE MECHANISM
6. There's An Actual Mechanism Here. Not A Guess.
Hair grows in cycles — an active growth phase, a transition phase, and a resting phase. Estrogen plays a direct role in how long follicles stay in that active phase. When estrogen drops sharply, more follicles shift into resting at once than usual. That's the mechanism. It's not mysterious, it's just rarely explained to the person actually living through it. This is the gap we kept finding: almost every hair serum on the market is formulated to address hair growth broadly — breakage, general thinning, scalp health — rather than this specific hormonal shift.
Rosemary oil, scalp massage, and other DIY approaches are low-risk and genuinely pleasant rituals, and some women do notice a difference. But scalp circulation support is a different mechanism entirely from addressing an estrogen-driven shift in the hair growth cycle. One can feel good. The other has to actually be built for the job.
7. You've read this far. That's usually a sign you already suspected something like this was true.
Maison Vasseur is formulated around exactly the mechanism above, built for the hormonal transition, not generic aging. Try it. If it's not working for you, we'll refund it. No complicated conditions.
INCI: 5% Minoxidil · 1% Argan Oil · B5 Pro-Vitamin · Licorice Root Extract · Caffeine.