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Trusted by 15,000+ customers
who choose Dermizol for nails that finally look and feel healthy again.
1. You apply it.
Twice a day, to a clean, dry, polish-free nail. The silicone tip releases a controlled dose — enough for the nail plate and the free edge. Run it along the front edge and press the nail gently up and down so it draws underneath, which is where the problem actually sits. No dropper, no bowl, no guessing. Thirty seconds.
2. It sets.
Within about 30 seconds a thin film forms over the nail. This is the step almost everything else skips. A runny liquid brushed onto a curved nail runs down the sides and into your sock within minutes — Vicks, tea tree oil, the vinegar soaks, all of it. You put it on, you put your sock on, it's gone. Dermizol™ is still on the nail in the morning.
3. It softens the nail — and this is the part you'll actually feel.
40% urea draws water into the plate underneath the film. Dry keratin is a closed door; hydrated keratin is far more permeable.
But you won't notice permeability. You'll notice the clippers. Most people find the nail easier to cut and file inside the first week or two — and a softer, thinner nail stops pressing against the front of a shoe.
If you file, do it after it's softened, and a light pass is enough. You are not grinding down a hard nail — that's what causes the damage people are rightly warned about. Use a fresh board for each nail, and never take one from a bad nail to a good one.
4. The actives get through.
With the plate softened and the film holding everything in contact, 25% undecylenic acid, carvacrol and thymol — the phenols from oregano and thyme — reach the nail instead of sitting on top of it. N-acetyl-cysteine works on the biofilm, the protective layer that lets stubborn nails shrug off single-ingredient products.
5. Then you wait for the nail to grow.
Here is the part nobody tells you honestly. The damaged nail doesn't heal. It gets replaced.
That takes time, and there's a stretch — usually somewhere between weeks four and ten — where nothing looks any different and you'll wonder why you're bothering. That's normal, and it's the point where most people stop. Keep going.
Watch the base of your nail, near the cuticle. Clear new growth there is the first real sign, and it usually shows up around month three. That's why the guarantee runs 90 days: see new growth by then or we refund you, and you keep the pen.
A toenail takes 9–12 months to replace itself completely. Fingernails, two to three times faster.
We know what you've already spent on things that didn't work.
Which is why 30 days isn't enough, and we're not going to pretend it is. Nail treatment is a long game. The first real sign of progress is clear new growth at the base of the nail — and
that takes around three months to show.
A 30-day guarantee runs out before you could possibly know.
So we give you 90.
Use Dermizol™ as directed for 90 days.
If you're not seeing clear new growth at the base of the nail, email us, and we'll refund you in full.
You don't need to send the pen back. You don't need to explain yourself. No forms, no phone call, no "let me offer you a discount first."
One email. Full refund.
We offer fast and reliable shipping on all orders. You can expect to receive it within 5-15 business days based on your location.
Orders placed before 2pm are dispatched the same business day. You'll receive a tracking number by email the moment your pen leaves the facility — you'll know exactly where it is.
If your order hasn't arrived within 15 business days, email us, and we'll replace it or refund you. No investigation, no waiting on the carrier.
Your nail isn't skin.
It's densely packed keratin, cross-linked by disulfide bonds — the same chemistry that makes hair strong — and it is built to keep things out. Including help.
And a thickened nail is simply more of it. Every extra layer is more barrier for anything you put on top to get through. It's why one man, after eight years of trying everything, filed his nail down thin, watched it finally clear, and ended his post asking: "How come I didn't know this before?"
There are two problems. Most treatments solve neither.
Problem one: nothing stays on.
A thin liquid brushed onto a curved nail runs down the sides within minutes. Whatever the label says is in the bottle, very little of it is still on the nail an hour later.
This is the real reason a product that should have worked didn't. Not the active — the active was probably fine. It just wasn't there any more.
Dermizol includes a film-forming polymer, hydroxypropyl cellulose, that sets into a thin layer and holds the formula where you put it. Every pen in this category is sold on getting the liquid onto the nail. This is the only one sold on it still being there.
Problem two: a dry nail is a closed door.
Keratin permeability depends heavily on hydration. A dry nail plate resists diffusion; a hydrated one is considerably more open to it. 40% urea draws water into the plate and holds it there.
That's also why the nail gets easier to cut and file within the first week or two. Same mechanism, two effects — one you can measure, and one you can feel with a pair of clippers.
And then there's biofilm.
Fungi in a nail don't sit there as loose individual organisms. They build a protective matrix around themselves. Organisms inside a biofilm are considerably harder to reach than the same organisms exposed, and researchers have linked dense biofilm in nails to the cases that resist treatment.
N-acetyl-cysteine is in the formula for its activity against biofilm matrix. Carvacrol and thymol — the phenols from oregano and thyme, and the same class of compound that's quietly doing the work when Vicks helps someone — sit alongside it.
We'd rather be straight with you about this part. Biofilm is real, and it's the mechanism half this category is now advertising. It isn't what makes us different. What makes us different is that ours is still on the nail an hour later.
What this actually means
You weren't doing it wrong. You were putting a reasonable active onto a hard, dry, thickened plate, and it was gone before it had a chance. Soften the door. Keep it on. That's the whole of it.
Sensitive feet were a design requirement here, not an afterthought. Specifically:
Don't use Dermizol if there's broken skin, an open wound, or signs of infection around the nail. If you're pregnant or breastfeeding, check with your doctor first.
Undecylenic Acid — 25%
A plant-derived fatty acid used against fungal infection for decades. The primary antifungal active.
Carvacrol + Thymol
The active phenols from oregano and thyme.
Urea — 40%
Draws and holds water inside the nail plate. Hydrated keratin is considerably more permeable than dry keratin — this is what gives everything else a way in.
N-Acetyl-Cysteine
Included specifically for its documented activity against biofilm matrix.
Hydroxypropyl Cellulose
The film former. This is what sets over the nail after you apply, holding the formula in place instead of letting it run down the sides.
Ethyl Lactate
A penetration enhancer that helps carry the actives into the nail surface.
MCT Oil, Vitamin E, Lecithin
Carry the oil-soluble actives, hold the nano-emulsion stable, and protect the formula from oxidising.
– Michael, 49"For many people, nail fungus isn't just about appearance, it's about years of frustration, failed treatments, and avoiding the confidence to show their feet. Dermizol™ was designed to change that experience. Engineered specifically for thick stubborn nail, our precision delivery system supports active ingredients where they're needed while promoting healthier-looking nail growth through consistent daily use."
CONTROLLED PENETRATION TECHNOLOGY
A dry nail is a closed door. 40% urea opens it.
Everyone who's ever made progress on a fungal nail figured out the same thing: whatever you put on has to stay on. So they improvise — bandaids overnight, cling film, plastic bags. One person we read about had given up and started using balloons.
They're right about the problem.
Dermizol builds the cover into the formula. A film-forming layer sets over the nail after you apply, holding the actives in place. No tape. No wrap. Just apply it and put your shoes on.
There's a drawer in your bathroom. Vicks, the vinegar, tea tree oil with an inch left in it, a bottle of Listerine you bought for your feet and not your mouth.
Different bottles, different promises, one thing in common: none of them were still on your nail an hour later.
You'd half worked that out already — it's why people tape their toe overnight, or wrap it in cling film, or pull a bag over their foot before bed. One man got so fed up he used balloons. He was right.
So we built the cover into the bottle. A film sets over the nail in thirty seconds with everything already in it, and it's still there when you wake up.
That drawer cost you more than you'd care to add up. This is the one that doesn't end up in it.
So we built the cover into the bottle. A film sets over the nail in thirty seconds with everything already in it, and it's still there when you wake up.
That drawer cost you more than you'd care to add up. This is the one that doesn't end up in it.
A thin liquid on a curved nail runs down the sides within minutes. Dermizol™ forms a film that holds the actives on the nail. That's the difference between applying a treatment and actually getting one.
Thick, discoloured, splitting nails don't just sit there. They change what you're willing to do — which shoes, which holidays, whether you take your socks off at all. Nothing repairs the nail you've already got. This is about the one coming in behind it.
A brush touches the infected nail, then goes straight back into the product. Every single time. Ours pushes a fresh dose forward through a silicone tip — nothing flows back into the reservoir, and the tip wipes clean between nails so you're not carrying anything from a bad nail to a good one.
Dermizol™
Traditional Nail Fungus Products
1 · Start clean.
Wash and dry the nail completely. No polish — polish seals the nail, blocks everything you're trying to get in, and hides the one place you want to be watching.
2 · One drop, on the nail.
Enough to cover the plate. Then run the tip along the front edge and press the nail gently up and down a few times so it draws underneath — that's where the problem actually sits, and it's the step nobody tells you about. Keep it on the nail, not the skin around it.
3 · Let it set.
About 30 seconds. It'll go tacky and then dry. Don't pull a sock on before it does — that's how the last thing you tried ended up in your sock instead of on your nail.
4 · Twice a day. Make one of them bedtime.
Overnight is the longest stretch your feet are clean, dry and out of a shoe. It's the best hours you'll get.
5 · After the first week, file it lightly.
Not before. Once the urea has softened the plate, a gentle scuff with a clean file takes seconds and almost no pressure — you're not grinding down a hard nail, which is what causes the damage people are rightly warned about. A pass every week or two is plenty.
Use a fresh file for each nail, and never take one from a bad nail to a good one. Disposable boards, a few pence each.
Skip this step entirely if you have reduced feeling in your feet, poor circulation, diabetes, or if the nail is painful — get it done by a podiatrist instead.
6 · Treat the shoes too.
Whatever you do to the nail, it goes back into the same shoe every morning. Rotate your footwear, let them dry properly between wears, wash socks hot.
7 · Keep going after it starts looking better.
The nail growing in underneath is the one you're protecting. Stopping early is how people end up back where they started.
A toenail grows about 1mm a month. At three months, only a fifth of your nail is new — the rest is the nail you started with.
So those flawless "after 3 weeks" photos? Not possible. Not with us, not with a $133 prescription.
Week 1 — surface softens, formula stays put
Months 1–2 — clear new growth at the base. That's the signal to watch for.
Months 3–6 — full grow-out.
We stand by our products with a 90-day risk-free guarantee. If you're not completely thrilled with your order, simply email us for a full refund (no questions asked).
Most customers begin noticing clearer, healthier nail growth within 1–2 months of twice-daily use, with fuller results typically visible over several weeks as the nail grows out.
The clippers. A thick nail that's been impossible to cut usually gets easier within a week or two, and a softer nail stops pressing against the front of your shoe. That happens long before anything looks different.
It helps — but not the way most people are told.
Don't file a hard, dry nail. That's what causes the damage podiatrists warn about; thinning it aggressively can lead to splitting and ingrown nails. Use the pen for the first week first. Once the plate has softened, a light pass with a clean board takes seconds and almost no pressure. Once every week or two is plenty.
Use a fresh board for each nail, and never take one from an affected nail to a healthy one.
Skip filing entirely if you have reduced feeling in your feet, poor circulation, diabetes, or if the nail is painful — have it done by a podiatrist instead.
You're not trying to remove the nail. You're taking the shine and the top ridges off so the formula has somewhere to go — a few light passes until the surface looks matt rather than glossy. If it hurts, or you can see pink through it, stop. That's too far.
Yes, and you'll see it sooner. Fingernails grow two to three times faster than toenails, so grow-out is months rather than most of a year.
Not while you're treating it. Polish seals the nail, blocks everything you're trying to get in, and hides the base of the nail — which is the one place you want to be watching.
10ml, which is 35–50 days at twice daily on a few nails. Somewhere around 60–80 cents a day.
Worth saying plainly: people treating this with drugstore soaks routinely spend into four figures over a few years. This isn't the expensive option.
The formula is low-alcohol, fragrance-free and buffered close to skin's own pH, and the applicator puts a controlled dose on the nail rather than soaking the surrounding skin.
Two things matter more than the formula, though. Don't file — have that done by a podiatrist. And check with your healthcare professional before you start if you have an ulcer, any open or broken skin, numbness, or any existing foot complication. A foot that doesn't reliably tell you something is wrong needs eyes on it that aren't your own.
Stop using it and speak to someone if you notice irritation, redness or discomfort.
Keep using it, and apply along the free edge and underneath where the nail has separated — that's usually where the problem sits.
If a nail has come off completely, only apply to the nail bed if the skin is fully intact. If there's broken skin, an open area, redness, swelling or discharge, stop and see a doctor or podiatrist, and don't put anything on it in the meantime.
Most people who get results with this aren't the person with the nail, so you're in good company.
Two things worth knowing. Trimming gets easier well before anything looks different, usually in the first week or two — you'll notice it in your hands before either of you notices it on the nail. And if you're doing more than one person's feet, use a separate file for every nail and wipe the tip between them.
No. Oral antifungals aren't suitable for plenty of people — liver concerns, drug interactions, or a doctor who simply won't prescribe them. This is a topical. It sits on the nail, and none of it depends on you being able to take a pill.
Mildly herbal. That's the oregano and thyme phenols, which are actives rather than fragrance — there's no added perfume in it. It fades within a few minutes of drying.
You can, but give it a chance to work. Don't apply anything else over the top within an hour or so — you'll lift the film off, and the film is the thing keeping the actives on the nail. If you're on a prescription lacquer, speak to whoever prescribed it first.
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