Analyzing your scalp age profile… 0%
Before Before
After After

12 weeks. Same woman. Same camera angle.

Jessica M., 41 · Seattle, WA

Most women treat their hair. Smart women treat their scalp age. KilgourMD is the only protocol I recommend for it.

Jennifer Hanway
Jennifer Hanway, Celebrity Nutritionist
Trusted by the British Royal Family, L’Oréal, and Johnson & Johnson
       

Studies place your scalp age at

years old
12 years olderYou Scalp 20s30s40sNowNormal agingYour scalp
Dr. James Kilgour

Your scalp profile is more common
than you’d think, and it’s studied.

Clinical studies show you can achieve your goal of less shedding and real regrowth in as little as 6 weeks.

— Dr. James Kilgour, MD

 
Age: 55 Worst spot: Crown Menopause Noticed 1–2 years ago

This score is an estimate based on your answers, not a medical diagnosis.

 
       
Dr. James Kilgour
Why Your Scalp Is Aging Faster
Your level
MildModerateElevatedAdvanced

18 years ahead of your age of 55

Scalp age is a measure of follicular capacity — how much of your hair the scalp can hold in growth, how reliably it restarts growth after a shed, and how thick a strand it can still build. Yours is showing its age in all three.

Marker 1Shedding Phase More shedding

The extra shedding you’re noticing? That’s your scalp age pushing hair out of anagen — the growth phase — and into telogen, the shedding phase, too early.

Studies show a young scalp keeps about 9 in 10 hairs in anagen at once; an aged scalp drops to 3 to 5 in 10.

Source: Follicular Miniaturization in Female Pattern Hair Loss — Royal Hallamshire Hospital, Sheffield

Marker 2Empty Follicles Less regrowth

The reason your part is where it shows most: an aged scalp stops keeping up with what it sheds. A hair falls out, and instead of a new one starting behind it, the follicle just sits there empty.

Studies found up to a third of follicles sitting empty like this for months at a time — dermatologists call them kenogen, and a landmark paper named them the main cause of thinning.

Source: Rebora & Guarrera, Dermatology; Guarrera & Rebora, Skin Appendage Disorders

Marker 3Thick vs Fine Hair Less thickness

And the hair that does grow back comes in finer: an aged scalp builds thin strands where it once built thick ones.

Studies show the ratio drops from about 13 thick hairs for every fine one down toward 2 to 1.

Source: Follicular Miniaturization in Female Pattern Hair Loss — Royal Hallamshire Hospital, Sheffield

This score is an estimate based on your answers, not a medical diagnosis.

 
       
Built by a Stanford dermatologist

You match the trial’s
top responders

Press coverage

Your answers match the women who participated in the peer-reviewed trial behind KilgourMD — published in the Journal of Drugs in Dermatology. It followed menopausal women with similar hair loss you just described.

4-month clinical trial
Criterion
You
Trial
Age
38–65
Life Stage
Menopause
Menopause
Hair Changes
More shedding
More shedding
Worst Spot
Part line
Part line

Matching these criteria does not predict your result. Individual results vary and are not guaranteed.

 
       
Tested by Dermaclaim

First, your scalp starts
holding on to more hair

68% less shedding Baseline Wk 1 Wk 2 Wk 3 Wk 4 Wk 6
In The Study: 95% of women were shedding less by week 6, with shedding down 68% — enough to take a 3-in-10 shedding pattern back toward the 1 in 10 of a younger scalp. See How shedding was measured
AnaGain

Anagain™

Hair Cycle Active

The first job of a young scalp is holding hair in growth. As it ages, that grip fails — the signal telling a follicle to keep growing fades, the signal telling it to stop takes over, and more hair gets pushed out of growing and into shedding.

AnaGain works on both sides of that. It turns the growing signal back up and quiets the one telling follicles to stop. In its own clinical studies, it nearly doubled the number of hairs in the growing phase.

Procapil

Procapil™

Anti-Shedding Peptide

While AnaGain resets the cycle, Procapil works on grip. It reinforces the anchoring proteins at the base of the follicle, so healthy strands stop letting go before their time. In its studies, it cut hair fall by up to 46%.

Individual results vary. Not all users will experience these results.

 
       
Tested by Dermaclaim

Then the empty follicles
start making hair again

10,000 new hairs 1 full Ludwig grade Wk 6 Wk 9 Wk 12 Wk 15 Wk 18
In The Study: By week 12, nearly 10,000 new hairs were growing. By week 18, they had grown into visible density on the Ludwig scale. See How regrowth was measured
Redensyl

Redensyl™

Hair Growth Active

This is the one aimed at the second job — restarting the follicles that stopped. It wakes follicles that have gone quiet and empty, rather than the hair you’ve still got. In its clinical studies, scalps treated with Redensyl grew over 10,000 new hairs compared to untreated ones.

Capixyl

Capixyl™

Density Peptide

An aging scalp runs inflamed, and inflammation shortens how long each hair gets to grow. Capixyl works on both ends of that — calming the inflammation while feeding the root each strand anchors into.

In its studies, it cut scalp inflammation by up to 48% and increased hair density by up to 79% versus untreated — outperforming the leading alternative by 81%.

RootBioTec

RootBioTec™

Nourishing Active

Feeds the follicle at the root and boosts the blood supply carrying nutrients to where hair is made. In its studies, it reduced shedding by up to 31% in two months.

Individual results vary. Not all users will experience these results.

 
       
200,000 women using daily

Over 1,000 US clinicians
recommend KilgourMD

Jennifer B.

Jennifer B.

My 90 day pictures

90 day results

I am happy with my results. My thoughts:

  • I washed my hair daily the first three weeks to give the product the best opportunity to work; I now wash it every 2-3 days
  • I apply one serum in the morning and the other at night
  • I stopped blow drying my hair and let it air dry now and I think that has helped with less breakage
  • I am wearing my hair shorter than I ever have which also helps with less breakage
  • I just use the applicator provided and dab it on and massage it in; on nights I wash my hair I let my hair dry slightly and then apply the serum and that helps with spreading the product better
  • With travel a few times I have missed a day or two applications but other than that I have been very religious about using the serums daily
  • My serums each last right around 30 days

My next 90 days of product just shipped today!!

Posted July 22nd, 2026 · KilgourMD Private Facebook Group

Beth S.

Beth S.

New baby hairs!!

Baby hairs

Started in April. Look at all those baby hairs I can see when my hairdresser blew out my hair.

Posted July 1st, 2026 · KilgourMD Private Facebook Group

Individual results vary. Not all users will experience these results.

 
       
Trustpilot

Give it 90 nights. If nothing
grows back, you pay nothing

Users report the shedding drops in the first six weeks — the scalp starts holding onto hair instead of pushing it out early. The weeks after that are when it shows: the hairs held back in the growing phase have been growing the whole time, and they come through as density where it had thinned.

Ninety nights is long enough to see both. If your shedding isn’t down and nothing’s filled in, one email and every dollar comes back — and you keep the bottles.

All it asks for is sixty seconds before bed. Two serums, straight onto the scalp. Nothing swallowed, no hormones, no side effects.

And your answers qualify you for
27% off the full two-serum protocol — for a limited time.

Individual results vary. Not all users will experience these results.

 
      
547,993 GLP-1 users studied

Your GLP-1 hair profile is ready

What you achieved

Down 20–40 lbs. You earned every one of them.

What it’s costing you

Your part. Wider, and you know which way to flip it.

What it doesn’t have to cost

Any of it.

Dr. James Kilgour

You don’t have to trade one for the other.

Clinical studies show you can achieve your goal of less shedding and real regrowth in as little as 6 weeks.

— Dr. James Kilgour, MD

 
Age: 55 Worst spot: Part line Started GLP-1 6–12 months ago

Individual results vary. Not all users will experience these results.

 
      
GW / JAAD International

Your GLP-1 has pushed about
half your hair out of growing

Anagen-to-telogen ratio

Before   Now  
AnagenTelogen
More growing,
less shedding
Balance
tipping
More shedding,
less growing

6–12 months agoYou started

Hair is only ever doing one of two things: anagen, growing without interruption, or telogen, where it stops growing and sheds out later.

Studies show a GLP-1 shifts the balance — hair that should have stayed in anagen moves into telogen instead. The calorie deficit pushes more across at the same time. A healthy scalp holds about 90% in anagen. On a GLP-1 it can fall to 40–50%.

3–6 months agoYou noticed it

The first hairs that shifted finished telogen and let go — that’s what showed up in your brush and your shower drain. But that was only the first batch. You were still on your GLP-1, so more kept shifting behind them.

Today — It’s visible

Every month on your GLP-1, another batch moves into telogen and sheds out. And the follicles they leave behind stay empty — nothing’s pushing them back into anagen while you’re still on it.

So it builds both ways. Which is why your part typically keeps widening — more falling out each month, and less coming back to fill what already went.

Ahead — What the research shows

A follicle can sit in telogen a while and still come back. Past a point, it stops re-entering anagen at all.

You said you’re staying on your GLP-1 as long as it takes. That’s the right call for your health — but it keeps shifting hair into telogen the whole time, and more of it crosses over while it does — and the longer it runs, the more of it there is.

This timeline is an estimate based on your answers, not a medical assessment. Individual experiences vary.

 
      
Built by a Stanford dermatologist

Your match: five actives that
push your hair back into growing

Before
After
KilgourMD Prevention Serum
AnaGain

AnaGain™

Hair Cycle Active

The one thing that moves hair back out of telogen and into anagen — reversing the shift instead of waiting on it. In its own clinical studies, it nearly doubled the number of hairs in the growing phase.

Capixyl

Capixyl™

Density Peptide

Your body feeds hair last in a deficit. Capixyl goes straight to the root and skips that queue, so what grows back comes in thick instead of fine. In its studies, hair density increased up to 79% versus untreated.

Procapil

Procapil®

Anti-Shedding Peptide

Stops the next batch letting go. It reinforces the grip at the base of the follicle — so fewer healthy strands shift over while you’re still on your GLP-1. In its studies, it cut hair fall by up to 46%.

RootBioTec

RootBioTec™

Nourishing Active

Feeds the follicles left empty behind each shed, boosting the blood supply that carries nutrients to the root — so they can fill back in instead of sitting there. In its studies, it reduced shedding by up to 31% in two months.

L-Ascorbic Acid

L-Ascorbic Acid

Collagen Support

The most potent form of vitamin C. Supports the collagen the root sits in and shields the follicle from the oxidative stress of rapid weight loss — so the ones still in anagen stay there.

Individual results vary. Not all users will experience these results.

 
      
Tested by Dermaclaim

Tested on women losing hair.
Every strand counted by hand

Press coverage
The Trial

Up to 68% less shedding in six weeks.

Before
After

Run by Dermaclaim, an independent lab. Peer-reviewed and published in the Journal of Drugs in Dermatology.

Women applied the Prevention serum every night. At week six, the lab washed their hair twice and counted every strand that came out — by hand.

95% were shedding less within six weeks. At week 18, two independent dermatologists graded density on the Ludwig scale, and density improved up to a full grade — part narrowing, crown filling.

Jennifer Hanway

Jennifer Hanway

Board-Certified Nutritionist

“Most women treat their hair. The ones who get it back treat what the GLP-1 actually did to their scalp. KilgourMD is the only protocol I recommend for it.”

The Actives

Up to 79% more density. 2.5× as many women saw results.

Before
After

Each active was studied on its own, before it ever went in the bottle.

Density: hair density up to 79% versus untreated — 81% better than the leading alternative.

And it works on the inflammation behind it — scalp inflammation down up to 48% in its studies. That inflammation is what cuts a growth phase short, so the strand never reaches full thickness.

Success rate: in a randomised controlled trial against minoxidil, two and a half times as many women saw results.

And none of what comes with minoxidil. No side effects were reported in the trial, no dread shed before it works, no dependency — stop and you keep what you grew.

Individual results vary. Not all users will experience these results.

 
      
200,000 women using daily

Same hair loss. Same GLP-1.
Here’s where they are now

Jennifer B.

Jennifer B.

My 90 day pictures

90 day results

I am happy with my results. My thoughts:

  • I washed my hair daily the first three weeks to give the product the best opportunity to work; I now wash it every 2-3 days
  • I stopped blow drying my hair and let it air dry now and I think that has helped with less breakage
  • I am wearing my hair shorter than I ever have which also helps with less breakage
  • I just use the applicator provided and dab it on and massage it in; on nights I wash my hair I let my hair dry slightly and then apply the serum and that helps with spreading the product better
  • With travel a few times I have missed a day or two applications but other than that I have been very religious about using the serums daily
  • My serums each last right around 30 days

My next 90 days of product just shipped today!!

Beth S.

Beth S.

New baby hairs!!

Baby hairs

Started in April. Look at all those baby hairs I can see when my hairdresser blew out my hair.

Individual results vary. Not all users will experience these results.

 
      
Trustpilot

Give it 90 nights. If nothing
grows back, you pay nothing

In the trial, shedding dropped in the first six weeks — fewer hairs in the drain, less in the brush. The weeks after that are when it starts showing: hair pushed back into anagen has been growing the whole time, and it comes through as length and density where it had thinned.

Ninety nights is long enough to see both. If your shedding isn’t down and nothing’s filled in, one email and every dollar comes back — and you keep the bottles.

All it asks for is thirty seconds on the scalp before bed. Nothing swallowed, nothing prescribed, nothing that touches your GLP-1 or slows the weight loss down.

And your answers qualify you for
28% off the full protocol — for a limited time.