The part keeps widening. The drain keeps filling.

FOR WOMEN WHOSE HAIR KEEPS THINNING AT THE PART

The part keeps widening. The drain keeps filling. Every product you have tried treats the strand that has already grown.

The follicle that decides whether the next hair grows lives below the surface. Most hair products never reach it.

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IF YOU HAVE ALREADY TRIED EVERYTHING

The shedding is not the problem. The scalp environment that drives it is.

★★★★★ Loved by customers

You did the biotin. You added a thickening shampoo. Maybe you even tried minoxidil -- and it worked until you stopped. You are still watching your part. Still collecting more hair in the drain than you did five years ago. And somewhere along the way, your ponytail stopped feeling like your ponytail. That is not your genetics failing you. That is the wrong approach for the actual problem.

This is what most women find after years of:

Biotin gummies the research barely supports unless you were deficient to begin with
Minoxidil that gives you regrowth -- and takes it back the moment you stop
Volumizing and thickening shampoos that swell the strand for a day and do nothing at the root
Scalp scrubs and oils that feel productive but never reach the follicle
Expensive in-salon treatments that fade within weeks at hundreds of dollars a visit

The pattern is the same every time. A little volume on the surface, nothing at the root. Every product you used treated the strand that has already grown. None of them spoke to the follicle that is deciding whether to grow the next one.

CONSUMER STUDY RESULTS

94%

saw the look of fuller, denser hair

89%

reported less shedding

92%

said their scalp felt healthier

90%

would buy it again

^Based on an 8-week self-assessment consumer survey with Norvu customers. Individual results may vary.

Thinning hair is not a hair problem. It is a scalp problem. The follicle is a living structure, and it responds to its environment. Coat the strand and you have addressed a symptom. Support the scalp and the renewal signal underneath, and you change what grows next. Every Norvu formula begins with this principle.

Norvu
Formulation Standard for SCALP·02

WHAT IS ACTUALLY HAPPENING

Your follicles are not gone. They are stuck in the wrong phase.

Every follicle cycles between growing and resting. In a healthy scalp, most follicles spend the majority of their time growing. When the scalp environment is disrupted -- by low-grade inflammation, a depleted microbiome, or the age-related drop in renewal signals -- more follicles tip into the resting and shedding phase. Some never complete the return. The hair that does come back comes back finer, shorter, less anchored.

Almost every hair product on the market treats the strand that has already grown. None of them speak to the follicle that is deciding whether to grow the next one.

90 days is how long the hair growth cycle takes to complete one turn. The scalp you treat today determines the density you see three months from now.¹

THE SIGNAL MOST HAIR PRODUCTS SKIP

GHK-Cu. Discovered in 1973. Most formulas add it. Almost none deliver it.

GHK-Cu is a copper peptide your body makes naturally. Biochemist Loren Pickart first identified it in 1973. More than 100 published studies have followed on its role in tissue renewal, barrier support, and follicle health.

If you have tried a copper peptide serum before and felt nothing, the formula is the likely explanation -- not the ingredient. GHK-Cu is broken down by EDTA, by sulfates, and by most preservative systems. Norvu uses it at clinical-use concentration -- paired with a live probiotic complex to rebalance the scalp microbiome -- and removes all three of its main destroyers.

It supports the follicle environment

Nurturing the conditions associated with the look of denser, more active growth -- from below the surface.

It supports a balanced scalp microbiome

The probiotic complex helps calm the low-grade scalp inflammation that pushes follicles into early rest.

It supports the strength of new growth

So the hair that does come in looks fuller and feels less fragile over time.

This is not a thickening shampoo. It is a scalp-renewal signal. Apply to the scalp after washing. Do not rinse out.

100+ peer-reviewed studies on GHK-Cu for tissue renewal, repair, and follicle support.²

WHY ALMOST NO HAIR PRODUCT DELIVERS REAL COPPER PEPTIDES

Copper peptides are fragile. Most hair products destroy them before they work.

GHK-Cu is destroyed by EDTA -- the chelator in most serums and shampoos. Stripped by sulfates and harsh surfactants. Broken by most fragrance and preservative systems. To formulate it at clinical-use concentration and keep a live probiotic complex stable alongside it, you cannot simply add it to an existing base. You have to build the whole formula around protecting both.

That is what Norvu did.

Norvu excludes

EDTA Chelates copper. Destroys GHK-Cu on contact.
Sulfates Strip the scalp barrier and its microbiome.
Heavy silicones Coat the strand and build up around the follicle.
Synthetic fragrance A leading trigger of scalp inflammation.
Drying alcohols Disrupt the scalp barrier you are trying to heal.

Norvu includes

GHK-Cu at 1% -- ten times the concentration of most formulas
Probiotic complex Rebalances the scalp microbiome
Niacinamide Supports a calmer, healthier scalp
Panthenol (B5) Strengthens the look and feel of hair
Botanical scalp complex Soothes reactive, itchy scalps

BEFORE & AFTER

What the scalp looks like when the follicle environment is recovering.

BEFORE

AFTER

BEFORE

AFTER

BEFORE

AFTER

*Based on self-assessment with Norvu customers. Individual results may vary.

WHAT TO EXPECT

The honest timeline.

92%said their scalp felt calmer and less itchy.¹

78%noticed less flaking within 14 days.¹

89%reported noticeably less shedding.¹

84%saw fewer hairs in the brush and drain.¹

90%saw the look of fuller, denser hair.¹

86%said their part looked less visible.¹

Results from an internal Norvu customer survey.

93%would recommend Norvu to a friend.¹

91%planned to keep using it.¹

Individual results vary. The hair growth cycle runs on its own clock -- plan on 90 days or more for visible density. On the 30-day guarantee: most women notice a calmer scalp and less shedding within four to eight weeks -- your scalp will tell you early whether it is responding. If you feel no change in 30 days, stop and request your refund. Density comes later. The response starts sooner.

FROM WOMEN WHO SWITCHED

What they said at month three.

★★★★★

I had been parting my hair to hide my scalp for two years. Three months on Norvu and I stopped angling every photo -- my part looks like a part again, not a stripe.

Sarah M., 49 — verified buyer

★★★★★

The shedding after a really hard year was terrifying -- clumps in the shower. Norvu is the first thing that actually slowed it down. My ponytail feels twice as thick.

Jessica K., 44 — verified buyer

★★★★★

Minoxidil wrecked my scalp -- itchy, flaky, awful. This calmed everything down in two weeks and my hairline is filling in. I am not going back.

Amanda R., 52 — verified buyer

★★★★★

The postpartum shed took my hairline. Four months in, the little fringe of regrowth along my forehead is unmistakable. I almost cried.

Rachel P., 34 — verified buyer

START YOUR DENSITY ROUTINE

Try Norvu for 30 days -- from $44.80 a month.

If your scalp shows no early response in 30 days, we refund you in full. No return required. No explanation needed.

Start with one bottle ($56) or subscribe for ongoing savings -- no commitment, and you can cancel anytime from your account.

541+ verified 5-star reviews for Norvu products

GHK-Cu Peptide Hair Serum

Copper peptide + probiotic scalp & density serum

Powered by GHK-Cu copper peptides at clinical use-level and a live probiotic complex, this scalp serum supports the follicle environment for the look of fuller, denser hair and a calmer scalp — in one daily step.

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Microbiome Reset Scalp Cleanser

Revitalizing Hair Treatment

Your subscription includes:

Free shipping always
Try it risk-free for 30 days
Earn 90 points with the Norvu Loyalty Program
Pause or cancel anytime

About the Hair Serum

The Hair Serum is a clinically-inspired, microbiome-friendly scalp formula that pairs GHK-Cu copper peptides with a live probiotic complex — designed to support the look of fuller, denser, healthier hair with daily use.*

Who's it for

Anyone noticing thinning at the part, a widening part line, more shedding, or a stressed, flaky scalp. Suitable for all hair types and color-treated hair — and safe to use alongside your existing routine.

Benefits

Supports the follicle environment for the look of denser hair
Helps calm and rebalance a stressed scalp microbiome
Supports the strength and resilience of new growth
Lightweight, non-greasy, leave-in
Sulfate-, silicone- and fragrance-free

How to use

Start with clean, towel-dried hair
Part hair to expose the scalp
Apply directly to the scalp along the part and thinning areas
Massage in gently for 30 seconds — do not rinse
Use daily, morning or night

Quality & Certifications

Formulated with clinically-studied actives at use-level concentrations
Free from sulfates, silicones, drying alcohols, and synthetic fragrance
Cruelty-free and dermatologist-reviewed
Manufactured in GMP-certified facilities with third-party quality testing
Recyclable packaging wherever possible

A more complete formula

Across seven formulation criteria, Norvu is the only option that delivers all seven.

Norvu

Clean beauty

Clinical Rx

Conventional

GHK-Cu copper peptide

✓

Probiotic complex

✓

Potent active dosing

✓

EDTA-free

✓

Sulfate-free

✓

Microbiome-safe

✓

No harsh side effects

✓

Based on commonly available formulations in each category.

Customer Reviews

5.00

Based on 177 reviews

Parker B.

04/23/2026

★★★★★Great density support

When used on clean scalp, I noticed my scalp felt calmer and my roots looked fresher. The sparse-looking areas near my roots seem more balanced. I also like that it does not flatten my fine hair.