4.8/5 — 5,278 reviews

It was never you.
It was the ground it grows from.

The first brush-cap scalp serum for women who've tried the whole drawer — and still watch their part get wider.

Your part didn't widen because of stress, your flat iron, or "your age." In perimenopause, estrogen drops and your follicles' growth phase gets shorter — so hair comes in finer, shorter, and leaves sooner. Everything you've bought works on the strand, hair that's already out. Arven works where it actually starts: a brush built into the cap parts your hair and delivers PDRN at 2,000 ppm, at a printed, lab-verified dose, straight onto the scalp.

Goes to the scalp, not the strand — the brush parts your hair and delivers where it starts.
A dose you can actually read — PDRN at 2,000 ppm, printed on the box and checked by an outside lab.
More than one active — caffeine, rosemary oil, peptides. No hiding behind one buzzword.
Thirty seconds at night — the massage is built into the cap.
90 nights to decide — one email if it's a no. Keep the tube.

Start My 90 Nights

3rd-party lab tested90 nights, risk-freeShips free, plain box

ARVEN PDRN Scalp Serum brush-cap tube beside a woman's visible part

4.8/5 — 5,278 reviews

"I stopped shifting my part three inches to hide it. A few weeks in there's less in my brush, and I've quit checking my scalp in every mirror I pass. First thing I've bought that actually went where the problem was." — Karen M., TX

34 people are viewing this offer right now

ARVEN | PDRN Scalp Serum

$39.90$79.8050%OFF

Delivers to the scalp, not the lengths
PDRN at 2,000 ppm — lab-verified
Caffeine · rosemary · peptides
30 seconds a night
90 nights, risk-free

Only 9 orders left before the promotion ends

ADD TO CART Accepted payments: Visa, Mastercard, Amex, PayPal, Apple Pay

3rd-party lab tested90-night money-backPlain, discreet delivery

A nightly scalp serum with a brush built into the cap. You part your hair, glide, and the serum goes straight onto the scalp — not the lengths. Built for thinning that starts at the root, not the strand. 100 mL / 3.38 fl oz = one month.

PDRN (polydeoxyribonucleotide) at 2,000 ppm — printed on the box and verified by an independent third-party lab. Plus caffeine, rosemary oil and peptides — actives with real topical data. No fragrance-first filler.

Once a night, on a dry or towel-dried scalp. Part your hair, press the brush to the scalp along the part, glide and massage two passes. Move to the next part line. Thirty seconds total. No rinse.

Ships free in plain, unbranded packaging — we ship within 24–48h. Try it 90 nights. If your roots don't look fuller and there aren't fewer strands in your brush, email us and we refund you. No tube to send back. No form. One email.

Women who stopped organizing their day around their hair

Dana R."I don't rearrange my part anymore"I used to have one "good side" and I'd part everything over to hide the other. I'm about two months in and I caught myself in the car mirror not fixing anything. The part just… sits there. That's the whole review.

Michelle T."The brush isn't scary anymore"I was finding 100+ hairs in my brush and I'd brace myself before brushing. I still shed — it's not magic — but it's a normal amount now, not a handful. The drain's a lot better too.

Susan K."I've been burned by these before"Honestly I almost didn't. I've thrown money at biotin, three serums, the gummies. What made me try it was that the dose is printed on the box and there's an actual lab check — nobody else in my drawer does that.

Renee A."Thirty seconds and I'm done"I will not do a ten-minute scalp massage. I know I should, I won't. The brush is the whole point — I part, I run it down, done, teeth brushed, bed. Only routine I've ever kept.

Paula G."My labs were 'normal.' My part was not"Two doctors told me it was stress and my labs were fine. Nobody once said the word estrogen to me. Reading how this actually works did more for my head than either appointment did.

Kim L."My ponytail has some body again"My ponytail had gotten so thin I stopped wearing one — it looked like a little sad rope. It's not what it was at 30 and I'm not expecting that. But I put it up last week and didn't feel like everyone could see through it.

Terri B."My daughter asked what I was doing"I didn't tell anyone I was using anything. My daughter asked if I'd changed my hair. I hadn't cut it or colored it. That's when I knew — because I wasn't the one who noticed first.

Lori S."This replaced a whole drawer"I had a shelf. Rosemary oil, a scalp serum, the volume shampoo, vitamins. Most of it worked on hair that was already out. This is the first thing that actually goes down onto the scalp. I threw the rest out.

Anne-Marie D."The 90 nights is why I tried it"I figured worst case I email them and I'm out nothing. I didn't need to — third tube now. But knowing I could return it without shipping anything back or a form is the only reason I clicked buy.

You've been treating the strand. The problem is the soil.

It didn't start in your hair — it started at the root.

[SCHÉMA 4:5]
Tige (déjà sortie) vs racine (sur le scalp)

In perimenopause, estrogen drops and the growth phase of each follicle gets shorter. Hair comes in finer, shorter, and leaves sooner — so your part gets wider before your length ever changes. That's why thickening shampoos and volume sprays never moved the needle: they dress the strand, the part that's already out. Arven goes the other way — down onto the scalp, where the change actually happens.

Brush-cap delivery — straight to the scalp

Thirty seconds. The massage is in the cap.

[IMAGE 4:5]
Démo geste 30s (composite tube)

A New York dermatologist once said the only reason those serums work is that they get you to massage your scalp every night. Fine — we agree. So we built the massage into the cap. You part your hair, press the brush to the scalp, glide and do two passes. No ten-minute ritual you'll never actually do.

Part → glide → two passes
Delivers at scalp contact, not on the lengths
No rinse, no prescription, no waiting room

The gesture is the benefit — that's the point.

No prescription. No greasy lengths. No renewal to manage.

[IMAGE 4:5]
Table de chevet (réassurance)

It goes onto the scalp, so it doesn't sit on your lengths and leave them oily. It ships in a plain, unbranded box to your mailbox — nobody needs to know what's in it. And there's a printed PDRN dose plus caffeine, rosemary and peptides, so you're not betting your hair on a single buzzword.

You stop counting, stop hiding, stop organizing your day around it.

Frequently asked questions

Because almost everything you've tried works on the strand — hair that's already grown out. Arven goes the other way: the brush parts your hair and delivers onto the scalp, where thinning actually starts. Different place, different result.

Fair question, given the category. The difference is proof: our PDRN dose is printed on the box and verified by an independent third-party lab, and there's more than one active — caffeine, rosemary oil and peptides, all with real topical data.

She's right that the massage matters. That's exactly why the brush is built into the cap — it makes you massage your scalp every night without a ten-minute routine. We didn't argue with that critique. We built the product around it.

No. It's delivered onto the scalp along your part, not down the lengths, and it's a small amount used once at night. Your hair isn't where it goes.

Not in a week — and any product that promises that is lying to you. Hair works on a cycle, which is exactly why we give you 90 nights: that's the real length of a course. Give it the full three months before you decide.

Use it for 90 nights. If your roots don't look fuller and there aren't fewer strands in your brush, email us and we refund you. No tube to send back. No form to fill out. One email.

Yes. It ships free in a plain, unbranded box straight to your mailbox, and we ship within 24–48 hours. Nobody can tell what's inside.

It's a nightly scalp routine, not a subscription you have to fight to cancel. Nothing auto-renews, nobody to convince. You reorder only if you want to.

Don't just take our word for it

4.8/5 — based on 5,278 reviews

Finally one with an actual doseBought it because the ppm is printed and lab-checked. That alone put it ahead of everything else I'd tried. Arrived fast, plain box, no fuss.Gail P.

The brush is geniusI never did scalp massages. Now I do, because it's literally the cap. Thirty seconds. That's the reason it's the first thing I've stuck with.Robin H.

Skeptical → repeat buyerI fully expected to email for the refund. I'm on tube three instead. Less in my brush, part looks better. Didn't think I'd be writing this.Denise W.

Real guarantee, real humansWas worried it'd be all hype. The page over-promises less than most. I asked a question and support actually answered like humans.Cynthia F.

Ships discreetPlain box, nobody in my house knew what it was. Shipping was quick and free. Small thing but it mattered to me.Bev N.

Told my sisterI already got my sister on it. We both hit the same wall around 45 with our parts widening. Nice to finally have something to hand her.Louise M.

Not greasy at allMy worry was oily roots. Doesn't happen — it goes on the scalp, not the hair. Use it at night, hair's normal in the morning.Patty S.

Worth it vs the pillI was spending way more on a supplement that goes through your whole body first. This one goes straight where I need it. Easy switch.Marge K.

The 90 nights sold meKeep the tube if it doesn't work? One email, no shipping it back? That's confidence. Turns out I'm keeping it because it's working.Ellen T.

[IMAGE 4:5]
Tube héros (rappel)

Why Arven

It goes where it starts

The brush parts your hair and delivers onto the scalp, not the strand that's already out.

A dose you can check

PDRN at 2,000 ppm, printed on the box and verified by an independent third-party lab.

90 nights, no strings

If it's a no, one email and we refund you. No tube to send back. Keep it.

Attention: Due to high demand, our stock is limited. Only 9 discounted orders left before the promotion ends.

Yes — Start My 90 Nights

It was never you.It was the ground it grows from.