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On Minoxidil or Finasteride? 5 Reasons The Wrong Shampoo Could Be Working Against Your Progress

Portrait of the author, Dr. Nadia Rourke

By Dr. Nadia Rourke

Last Updated Jul 18, 2026

Read this BEFORE you refill your next bottle of minoxidil.
ember
Caffeine-Only Shampoo
Anti-Dandruff Shampoo
Caffeine active
Caffeine to energize the scalp
Caffeine, but it dries you out
None
Your scalp
Soothed, flake-free (PG-free + niacinamide)
Often left dry, tight, itchy
Calms flakes, but strips & dries
Your new hair
Strengthened, thicker-looking in weeks
No conditioning, left fragile
Nothing for the strand; can leave it brittle
Built for a treated scalp
Designed as a minoxidil companion
Generic growth shampoo
Medicated, not made for this
Verdict

TLDR: Ember protects the hair your treatment works so hard to grow.

1. The Fine New Hair Your Treatment Grows In? This Makes It Look Thicker

Infographic comparing a fragile wispy new hair strand to a strengthened, thicker-looking strand coated by castor oil and B5

Minoxidil and finasteride bring new hair in — but it shows up as fine, soft "peach fuzz" on a scalp that's turned dry and flaky. Ember is built for exactly that stage. Castor oil, panthenol and niacinamide coat every fragile new strand so it looks thicker and feels fuller, while the gentle formula clears the flakes at your part and hairline.

  • Castor oil + pro-vitamin B5 wrap each fine strand so it looks thicker and feels fuller
  • Reduces the dry, dandruff-like flaking minoxidil leaves behind
  • Strengthens fragile new growth so it isn't snapping off in the shower

2. The Only Shampoo Actually Designed For A Minoxidil Scalp — Not Against It

Split scalp cross-section showing a dry, flaking scalp with propylene glycol versus a hydrated, barrier-sealed scalp that is PG-free with niacinamide

Here's what nobody tells you: the itch and flakes you blame on minoxidil actually come from propylene glycol — the solvent that pulls moisture straight out of your scalp. Most shampoos just wash you with more harsh stuff. Ember is built the opposite way — 100% propylene-glycol-free, sulfate-free, pH-balanced — lifting residue and buildup while leaving your scalp calm instead of stripped.

  • 100% propylene-glycol-free — the exact ingredient behind most minoxidil itch
  • Lifts minoxidil residue and buildup without stripping (sulfate-free, pH 5.0–5.5)
  • The only daily shampoo built as a companion to your treatment
Bonus Reason

The science is settled. The formula is precise. The routine is one wash.

The actives in Ember aren't chosen arbitrarily — every one is dosed to the exact levels used in peer-reviewed research:

Ingredient
What It Does
NiacinamideVitamin B3

Rebuilds the scalp's moisture barrier (ceramides) and cuts water loss, calming dryness and flaking.

Evidence: Tanno, Br J Dermatol 2000; Draelos 2005; 28-day split-leg B3+B5 xerosis trial

Castor OilRicinoleic Acid

Soothes irritation, targets the Malassezia yeast behind flaking, and coats and conditions each strand.

Evidence: Ricinoleic-acid anti-inflammatory / antifungal literature

PanthenolVitamin B5

Penetrates the cortex and bonds with hair proteins, increasing strand diameter by roughly 10%.

Evidence: Cortical-penetration imaging; panthenol fiber-diameter study

CaffeineTopical Active

Penetrates the follicle in about 2 minutes and energizes the scalp at the root.

Evidence: Otberg / Fischer, Skin Pharmacol Physiol 2007

Peer-Reviewed Actives. No Guesswork.

3. You're Spending Thousands To Grow It — Protect It For About A Dollar A Day

Balance-scale infographic weighing the cost of hair transplants, PRP and medications against protecting your progress with Ember for about a dollar a day

Minoxidil, finasteride and supplements cost hundreds a year; a transplant runs thousands. But the fine new hair all that work grows in is fragile — and if it breaks before it matures, that investment goes down the drain. Ember strengthens and protects every new strand for about a dollar a day.

  • Protects the hair you're spending thousands to grow
  • Strengthens fragile new growth so it lasts instead of breaking off
  • The cheapest insurance for the most expensive thing you're growing
Protect My Investment

4. It Also Makes Your Routine One You'll Actually Stick To

A smiling man running his hand through his hair next to a five-star verified-buyer testimonial about his minoxidil scalp calming down and his hair feeling thicker

The number-one reason people quit minoxidil isn't their hair — it's their scalp. Dryness, flaking and itch make it tempting to skip a day, and every skipped day is progress lost. Ember's niacinamide-and-menthol base delivers cooling relief from the first wash and tames flyaway new growth, so your hair looks intentional and your routine is one you keep.

  • Cooling menthol + niacinamide calm the itch from the first wash
  • Tames fine, flyaway new growth so it styles the way you want
  • A comfortable scalp = a routine you actually stay consistent on
Build A Routine That Sticks

5. Stronger, Fuller-Looking Hair In 90 Days, Or Your Money Back

The Ember Hair caffeine and niacinamide shampoo bottle with a 90-day money-back guarantee seal and a 4.7 out of 5 rating from verified buyers

Join 200+ people already stacking Ember on top of their treatment (rated 4.7/5). Use it every morning for 90 days — if your hair doesn't look and feel stronger and fuller, and your scalp calmer, we refund every penny. At about $0.39 a day, it's the cheapest insurance you'll buy for the most expensive thing you're trying to grow.

  • 90-day money-back guarantee — results or a full refund
  • 4.7/5 from 200+ verified buyers already on treatment
  • ~$0.39 a day to protect thousands in progress
Your 90-Day Journey

What To Expect, Week By Week

Consistency is everything on a treatment plan. Here is how your scalp and hair respond when Ember becomes part of your daily routine.

  1. First 14 Days

    A Calmer, Cleaner Scalp

    The itch, flaking and tightness from your treatment start to settle. Your scalp feels comfortable again and buildup at the part and hairline is washed away.

  2. First 30 Days

    Hair That Feels Fuller

    Fine new strands are conditioned and coated, so your hair feels thicker in your hands and looks denser in the mirror. Less breakage in the shower drain.

  3. First 60 Days

    Visible Thickness Setting In

    The fragile "peach fuzz" your treatment grew is maturing into stronger, thicker-looking hair instead of shedding. Your routine feels effortless and consistent.

  4. First 90 Days

    Progress You Can Protect

    Fuller, healthier-looking hair on a balanced scalp, with your minoxidil and finasteride investment protected. This is where you decide it stays in your routine for good.

Individual results vary. Ember supports the hair your treatment grows; it is not a replacement for minoxidil or finasteride.

Last Chance
Flash Sale

Ember Hair Caffeine and Niacinamide Thickening Shampoo bottle
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40% Off For A Limited Time Only!

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Try it today with a 90-Day Money-Back Guarantee.

The Ember Guarantee

Use it every day for 90 days. If your hair doesn't look and feel noticeably stronger and fuller, we'll refund every penny. No questions, no hassle, no fine print.

What People On Treatment Are Saying

4.8 out of 5 · 49 verified reviews
Marcus T.Verified Buyer
3 days ago

Finally something made for min oxidil users

Been on minoxidil for 8 months and my scalp was constantly flaking. This is the first shampoo that didnt make it worse. Flakes are basically gone and my hairline looks fuller. Wish I found it sooner.

Danielle R.Verified Buyer
6 days ago

The baby hairs are actually surviving now

My biggest problem was the new little hairs breaking off before they got anywhere. Since using this daily they seem to be hanging on and thickening up. Its subtle but its real.

James H.Verified Buyer
1 week ago

Does what it says

Not one for writing reviews but credit where its due. Scalp feels clean without that stripped tight feeling my old shampoo gave me. Three weeks in.

Priya S.Verified Buyer
1 week ago

Good but takes patience

I'll be honest it wasnt overnight magic. Around week 5 I noticed my part looked less see through. If you expect results in 3 days you will be dissapointed, give it time.

Connor M.Verified Buyer
4 days ago

Protects the investment

I spend a fair bit each month on fin and min so an extra shampoo to protect that felt like a no brainer. Glad I did. Hair feels thicker and I actually look forward to washing it now.

Ashley W.Verified Buyer
2 days ago

My confidence is back

Cant explain how much better I feel getting ready in the morning. My hair looks like it has more body and I'm not obsessing over my scalp in every mirror anymore.

Robert K.Verified Buyer
2 weeks ago

Scalp buildup gone

Minoxidil left this gunky residue on my scalp that regular shampoo never fully got rid of. This clears it out completely. Feels like my follicles can finally breathe.

Sophie L.Verified Buyer
1 week ago

Really pleased overall

Lovely smell, not overpowering. My scalp used to itch like mad and thats calmed right down. Only reason its 4 stars is the bottle could be bigger for the price.

Tyler B.Verified Buyer
5 days ago

Part of my routine now

Honestly the routine itself keeps me consistent with everything else. Knowing im doing something good for my scalp every morning makes me way less likely to skip my min.

Emily C.Verified Buyer
1 week ago

Thicker looking within a month

I was skeptical of the thickening claims but my ponytail is genuinely fuller. My hairdresser even commented on it which was nice.

David P.Verified Buyer
1 week ago

Wish I had this at the start

Two years into treatment and I only just started using a shampoo actually designed for it. Massive difference in how my scalp feels. Dont make my mistake and wait.

Grace N.Verified Buyer
2 weeks ago

Solid daily shampoo

It's a good product. Not a miracle but my hair definitly feels healthier and my scalp isnt dry anymore. Would repurchase.

Liam O.Verified Buyer
6 days ago

Kiwi approved

Great stuff. My scalp was so flaky from min I was embarrased to wear dark shirts. That problem is sorted now. Cheers.

Jessica M.Verified Buyer
3 days ago

For the new growth

The whole reason I bought this was to protect the new hairs coming in and it delivers. They feel stronger and less wispy. Very happy customer.

Nathan F.Verified Buyer
1 week ago

No more itchy scalp

The itch from minoxidil was driving me insane. First wash with this and it was noticably calmer. By day 4 basically gone. Game changer for me.

Charlotte D.Verified Buyer
1 week ago

Worth every penny

I was hesitant about adding another step but its become my favourite part of the routine. Hair feels clean, scalp feels calm, growth looks better. What more can you ask.

Kevin A.Verified Buyer
2 weeks ago

Good for buildup

Mainly using it to keep my scalp clear of residue and it does that job well. Hair thickening is a slower thing but I can see it starting.

Olivia B.Verified Buyer
4 days ago

Gentle enough for daily use

A lot of clarifying shampoos are way too harsh but this one I can use every single day without my scalp drying out. Perfect for how often I wash.

Ethan G.Verified Buyer
1 week ago

Protecting my progress

18 months of hard work regrowing my hairline and I wasnt about to let a bad shampoo undo it. This keeps everything healthy. Rapt with it.

Hannah K.Verified Buyer
1 day ago

My scalp has never been happier

Sounds dramatic but its true. No tightness, no flakes, no itch. And my hair genuinely looks like theres more of it. Repurchasing for sure.

Brandon S.Verified Buyer
1 week ago

The caffeine thing is legit

Was doubtful about the caffeine claims but there is a nice tingle when I massage it in and my hair feels more alive. Placebo or not im keeping it.

Megan T.Verified Buyer
1 week ago

Happy so far

A month in and things are looking up. Scalp is way less irritated. Giving it 4 for now, will bump to 5 if the thickness keeps improving.

Christopher L.Verified Buyer
2 weeks ago

Simple and effective

Doesnt overcomplicate things. Cleans well, doesnt strip, scalp feels great after. Exactly what someone on treatment needs.

Isabella R.Verified Buyer
5 days ago

Fuller and healthier

My hair used to feel thin and lifeless even with min. Now it has actual volume and it looks shiny and healthy. So glad I tried this.

Aaron W.Verified Buyer
1 week ago

Chuffed with the results

Been recomending this to a mate whos also on fin. Scalp buildup is gone and my hair sits better. Proper good product.

Natalie H.Verified Buyer
2 weeks ago

Does the job

No complaints really. It keeps my scalp clean and my hair feeling thick. Took a few weeks to notice but its there.

Jordan P.Verified Buyer
2 days ago

Confidence booster

I stopped dreading photos. My hair looks denser and I dont feel self concious about my scalp showing through anymore. That alone is worth it.

Lucas M.Verified Buyer
6 days ago

Best add on to my stack

Min, fin, derma roller and now this shampoo. Its the piece I didnt know was missing. Everything just works better with a healthy scalp.

Chloe F.Verified Buyer
1 week ago

Love it

My hair has never felt this soft and thick. The flaking that used to embarass me is completly gone. Cannot recomend enough.

Ryan D.Verified Buyer
4 days ago

Protecting what I paid for

The way I see it, I already spend a lot on treatment so protecting it with a proper shampoo is common sense. This one clearly does its job.

Samantha B.Verified Buyer
2 weeks ago

Pretty good

Nice product, scalp feels clean and healthy. Only knocking a star because I wanted faster thickening but I understand these things take time.

Benjamin K.Verified Buyer
1 week ago

My barber noticed

When your barber asks what you changed you know somethings working. Told him about this. My hair is visibly thicker on top.

Victoria S.Verified Buyer
3 days ago

Absolutely brilliant

Cannot fault it. My scalp feels healthy for the first time since starting minoxidil and my hair looks so much fuller. Will be buying again.

Dylan T.Verified Buyer
1 week ago

Cleared my scalp right up

Had a lot of dead skin and residue building up. A couple washes with this and it was clean as anything. Follicles feel clear now.

Lauren M.Verified Buyer
5 days ago

Thicker hair, less shedding

I noticed less hair in the drain and what I have left feels thicker. For someone whos been stressing about shedding this is huge relief.

Jacob R.Verified Buyer
2 weeks ago

Recommend it

Good honest product. Scalp is calmer and hair feels better. Shipping to Canada took a little while but the product is worth the wait.

Amanda C.Verified Buyer
6 days ago

Part of self care now

Using this every morning feels like im taking care of myself. My hair thanks me for it. Looks healthier and thicker than it has in years.

Zachary P.Verified Buyer
1 week ago

No regrets

Was on the fence about the price but honestly its cheap compared to what a hair transplant would cost. Protecting my growth for pennies a day. Smart buy.

Rebecca H.Verified Buyer
1 week ago

Scalp finally calm

The redness and irritation I had is basically gone. Such a releif. And my hair feels stronger too which is a bonus I wasnt even expecting.

Sean W.Verified Buyer
1 week ago

Good addition

Been using alongside my treatment for a month. Scalp is much better and hair feels denser. Would like to see how it goes over a few more months.

Kayla F.Verified Buyer
2 days ago

Obsessed

I genuinely look forward to washing my hair now which I never thought Id say. Thick, clean, healthy. This is a staple for me from now on.

Patrick M.Verified Buyer
4 days ago

For anyone on fin

If your on finasteride and havnt sorted your shampoo out yet, do it. This one is designed for exactly our situation and you can tell.

Stephanie B.Verified Buyer
1 week ago

So worth it

My hairdresser noticed the new growth around my hairline and asked what I was doing different. This shampoo is a big part of it. Love it to bits.

Gregory K.Verified Buyer
1 week ago

Consistency made easy

The routine actually helps me stay on track with all my treatments. When one step feels this good you dont want to break the chain. Hair is thriving.

Michelle S.Verified Buyer
2 weeks ago

Very good shampoo

Does everything it claims. My scalp is clean, my hair feels thicker. Only reason for 4 stars is I wish it lathered a bit more but thats minor.

Tyler N.Verified Buyer
5 days ago

Huge difference

I put off buying this for months and I regret waiting. My scalp health turned around in weeks and my hair looks noticeably fuller. Just buy it.

Alexis D.Verified Buyer
1 week ago

Gentle and effective

Sensitive scalp over here and this doesnt irritate at all. If anything it soothes. And my new growth is coming in stronger. Cant ask for more.

Owen R.Verified Buyer
1 week ago

Protects and thickens

Two things I wanted, protect my progress and thicker hair. Getting both. Been using it for 6 weeks and the results speak for themselves.

Bethany L.Verified Buyer
3 days ago

My scalp thanks me

After years of dry flaky scalp from treatment this feels like a reset. Hair is healthier, thicker and I feel so much more confident. Ten out of ten.

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