The Wellness Edit™

The Real Reason Seborrheic Keratoses Keep Coming Back – And Why Nobody Told You Before

Published: 15 April 2026 | 15:33 CET

Beauty & Wellness
Words by Sandra Mikkelsen
 

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Cryotherapy. IPL. Wart remover. Apple cider vinegar. The same trip to the dermatologist, the same four words: "That's just how they are." Here's what that explanation left out – and what finally changed for the women who found it.

THE MORNING I REALISED I'D BEEN ASKING THE WRONG QUESTION

I started looking into this after an email from a reader.

She'd been living with seborrheic keratoses – the flat, cornflake-like or harder, wart-like growths that cluster on the torso, chest, neck and back – for eleven years. In that time she'd had hundreds removed. Paid 1.800 kr. a session for cryotherapy at a private clinic. Tried IPL. Tried wart remover at home, freeze spray ordered online, apple cider vinegar on a cotton pad held in place with a plaster.

"New ones every single day," she wrote. "I've been told that's just how they are. I want to know if that's actually true, or if there's something I'm missing."

I'd heard versions of that question before. This time I decided to actually answer it.

What I found surprised me. Not because the answer was complicated.

Because it was simple, specific – and apparently nobody had told these women.

WHY MOST TREATMENTS FAIL (AND WHAT THAT ACTUALLY MEANS)

To understand why seborrhoeic keratoses keep coming back, you first need to understand what they actually are.

They're not a pigmentation issue. They're not surface discolouration. They're not something you can manage the way you'd manage a dark spot or a patch of dry skin.

Seborrhoeic keratoses are physical growths — an abnormal build-up of keratin, the same protein that forms the outer layer of the skin, accumulating and hardening into raised growths faster than the skin can shed it. That's what creates the flat, cornflake-like ones and the harder, wart-like ones. They're not sitting on top of the skin. They are the skin, hardened into something its natural shedding process simply can't keep up with.

This distinction matters enormously — because it explains why virtually every available treatment only ever works for a while.

Seborrhoeic keratoses are hardened keratin growths. Most treatments deal with them after they've formed. The Smooth & Even Glycolic Body Stick targets the keratin build-up that forms them — in sustained contact, across all of them at once.
 

Why cryotherapy and cauterisation keep failing:
Professional removal destroys the growth at the cellular level. What it doesn't do is address the skin's underlying tendency to keep producing new ones. Which is why they come back. And why new ones appear right next to the ones that were just removed. The dermatologist appointment solves the visible problem while leaving the cause completely untouched.

Why creams and most topicals do almost nothing:
Applied to the surface of a hardened keratin growth, most products are absorbed or wiped away before they can dissolve anything meaningful. The growth has a hardened outer layer. A cream that sits on top of that layer for sixty seconds — before it's absorbed into the skin or rubbed off by clothing — can't get through it. Contact time is the missing piece, and most topical applications have almost none.

Why IPL helps more than most but still can't keep pace:
It penetrates deeper than a topical, which is why it produces more visible results. But at a couple of thousand kroner per session, several sessions a year, it was never going to keep up with a condition that keeps multiplying between appointments, no matter how thorough each session is.

The failure is the same across all three: they treat the individual growth after it's formed. None of them address the keratin overproduction that keeps forming new ones, continuously.

Which is why, when I asked five women who've been living with this condition for years to describe their experience with treatment, I heard almost identical answers.

Margrethe, 62, Odense:
"I noticed the first ones on my back maybe six years ago. One. I wasn't worried. Then there were five. Then ten. Then I stopped counting. I've been having groups of them cauterised off every winter. Well over a thousand kroner per area. I sit through the sessions, wait for the white marks to fade, feel relieved for a few weeks. Then I look down and find more than I started with. My dermatologist looked at my skin and said, 'You do have a lot. It's probably hormonal or genetic. We can remove the ones that bother you most, but there's really no way to stop new ones appearing.' I've been hearing that for six years."

Lene, 55, Aarhus:
"I can look at my left side alone and count close to a hundred. My back must have several hundred more. They start small and flesh-coloured — easy to dismiss. Then they darken, get raised, and spread to places the previous ones never reached. Every time I shower and catch a glimpse in the mirror, there are more. I've tried wart remover from the chemist. The fumes were so bad I could feel them in my lungs through a mask. The ones I did manage to treat? Gone for a few weeks. Then back. Sometimes darker than before."

Kirsten, 61, Aalborg:
"I just wanted to get ahead of all of them at once. Not spot-treat one or two and watch ten more appear while I was dealing with those. I read every forum thread. Saw every suggestion. Dermaplaning. Chemical peels. IPL. Creams that claimed to help. I tried retinol. Then tretinoin on the small new ones on my neck, hoping to at least stop them getting bigger and darker. My skin got drier. More sensitive. The small ones looked marginally better. The hundreds on my back, sides and torso looked exactly the same. I was always one step behind."

Susanne, 64, Esbjerg:
"The thing nobody prepares you for isn't the first one appearing. It's the feeling that once they start, nothing stops them. As if your skin has switched something on that you can't switch off again. I've had groups removed and felt relieved for a few weeks. Then looked down and counted eleven new ones where the old ones used to be. Doctors say, 'Goodness, you do have a lot. Have you spent a lot of time in the sun?' I have hundreds on areas that have never seen the sun in my life."
 

Sound familiar?
The Smooth & Even Glycolic Body Stick is the leave-on dual-acid formula these women found after years of losing ground. 

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What strikes me across all five accounts isn't the frustration — though that's palpable — it's the resignation. Every one of these women has done the sensible things. They've seen a dermatologist. They've tried professional treatment. They've researched and experimented and spent money and stuck with it. And every one of them has arrived at the same conclusion their doctor gave them.

That's just how they are.

I wanted to know whether that conclusion was actually the end of the story — or just the end of what professional removal could offer.

Title

THE QUESTION THAT CHANGES EVERYTHING

The reason "that's just how they are" feels so final is that it's answering the wrong question.

The question these women have been asking — and the question cryotherapy, IPL and home removal methods have been answering — is: how do I remove what's already there?

That's not the question that matters.

The question that matters is: why does the skin keep producing them faster than anything can remove them — and what actually tackles that process directly?

The answer comes down to two things nobody mentions in the standard conversation with a dermatologist.

The keratin structure of each individual growth.
Every seborrhoeic keratosis is a hardened keratin formation. Not surface discolouration. Not a bump with soft tissue underneath. A physically hardened structure. Which means anything designed to work on skin — a cream, a serum, a topical pad — is sitting on top of a hardened surface it can't penetrate without sustained, direct contact. The growth doesn't absorb things the way normal skin does. It's hard. And treating something hard requires something that stays against it long enough to break it down.

Contact time.
This is the part almost nobody in the skincare conversation names explicitly. Contact time is the amount of time an active ingredient spends in direct contact with what it's meant to be working on. A cream applied to a hardened keratin growth and absorbed into the surrounding skin within sixty seconds has had almost no contact with the growth itself. A product applied and rinsed straight off — a wash, a toner on a pad — has even less.

Glycolic acid dissolves keratin bonds. Salicylic acid penetrates keratin structures. Both are well established. But they need time to work — and most of the formats they come in don't give them that.

Which is why the same ingredients that work well for other skin concerns barely touch established seborrhoeic keratoses. It's not the wrong chemistry. It's the wrong delivery.
Title

After months of the same conversations — dermatologist appointments, home experiments, forum threads ending in "that's just how they are" — each of the five women I spoke to eventually found her way to the same product by a different route.

A friend noticed one morning at book club. A neighbour mentioned it while getting into a dress. A sister-in-law who worked at a dermatology clinic suggested looking specifically at leave-on acid formats. A forum post at 11 pm that finally explained the contact time mechanism.

What they all arrived at was the Smooth & Even Glycolic Body Stick.

The specific formulation:

7% glycolic acid — at this concentration, glycolic acid dissolves the keratin bonds holding the hardened skin cells of a seborrhoeic keratosis together. It works on the structure of the growth itself, not the skin around it.

0.5% salicylic acid — penetrates the growth and tackles the keratin build-up underneath it. One acid dissolving from the outside. One working through from within.

10% shea butter — for skin that has been through repeated removal attempts and is sensitised and reactive, something actively rebuilding the barrier while the acids work isn't optional. It's the difference between a product that works and one that creates a new problem while solving the original one.

The format is a leave-on stick. One swipe across the affected area. Left on the skin — not rinsed, not wiped off.

That's the contact time part.

"The reason I kept dismissing topicals," Birgitte told me, "was that nothing ever stayed on long enough to do anything. A serum is gone in minutes. A wash is gone instantly. This stays. And when something with these ingredients stays in contact with those growths consistently — the results are unlike anything I'd tried."

The women I spoke to each found their way to this product by a different route. What they all reported was the same.

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Title

WHAT ACTUALLY HAPPENS

None of the five women I spoke to described an overnight transformation. What they described was more specific, more honest, and — I'd argue — more persuasive than any dramatic before-and-after story.

Mette: "Day five, I ran my finger over the flatter ones on my chest. Different. Less raised. I did it again just to check. Day seven, I compared a photo with one I'd taken two weeks earlier. The flatter ones had visibly reduced. Not gone. But different in a way nothing had managed before. Week three, I wore a lower-cut top. The ones across my chest had always made me reach for a higher neckline first. I didn't think about it until I was already out the door."

Lene: "Day ten, I caught myself not doing the morning check automatically. First time in as long as I could remember. The harder, warty ones on my neck were still there at two weeks, but the edges had softened. Less defined. And the new ones appearing — smaller than the ones I'd been dealing with for years. Flatter from the start. That was new."

Pia: "Two months in, new ones still turn up. That's just the nature of them. But they don't get the chance to build up the way they used to. I catch them earlier. Keep them flatter. Manage all of them consistently instead of waiting until I have enough to justify another trip to the dermatologist. I'm not cured. I never expected to be. But for the first time, I feel like I'm actually keeping pace with them."

Charlotte: "The flat ones are basically gone. The harder ones are flatter. New ones still appear, but they're smaller than they used to get. I haven't booked a dermatologist appointment in four months. That's the part that surprised me most."

Susanne: "Someone close to me noticed the ones on my chest had changed before I'd said a word. They'd seen my skin for years. That was when I knew something had actually shifted."

WHAT THE INGREDIENT SCIENCE SAYS

Glycolic acid's ability to dissolve keratin bonds is not a marketing claim — it's established chemistry. Clinical research published in the Journal of Dermatological Treatment found that glycolic acid at therapeutic concentrations significantly improved keratin-related skin conditions, with measurable surface changes over several weeks of consistent use.

The salicylic acid adds a penetration mechanism glycolic acid alone doesn't have — salicylic acid is oil-soluble, so it can work its way into the lipid-rich structure of a seborrhoeic keratosis rather than sitting on the surface. Combining both acids in a leave-on format is the mechanism the standard topical format has always missed.

The shea butter is not incidental. Repeated cryotherapy and home removal attempts significantly sensitise the skin barrier. An occlusive ingredient that keeps the acids in contact with the target while protecting the surrounding skin is what makes the formula suitable for daily use rather than an occasional treatment.

The 90-day money-back guarantee means the risk of trying it is the same as the risk of booking one more dermatologist session for growths that come straight back.

THE HONEST ANSWER TO "IT'S JUST THE NATURE OF THEM"

That short sentence is true, up to a point.

New seborrhoeic keratoses will always appear. The skin's tendency to overproduce keratin in certain patterns doesn't have an off switch. No topical product — this one included — changes that underlying biology.

What the sentence leaves out is this: the rate at which new ones build up and become visible, the size and height of existing ones, and how consistently they're being addressed across the whole affected area — all of these can be changed.

Not cured. Changed.

The women I spoke to didn't stop getting new ones. They stopped losing ground.

There's a big difference between "it's just the nature of them" as a reason to stop trying and "it's just the nature of them" as an honest framing of what consistent, mechanism-appropriate management can actually deliver.

For anyone who has been given the first version and told that's the whole story — it isn't.

Title

IF THIS IS YOUR SITUATION

If you've had clusters removed only to find more alongside them before the skin has even healed. If you've heard "it's just the nature of them" and accepted it because nobody offered you another option. If you've been trying to spot-treat one while ten more appear in the background.

The Smooth & Even Glycolic Body Stick comes with a 90-day money-back guarantee.

That's long enough to watch the flat, cornflake-like ones reduce, feel the harder raised ones soften at the edges, and notice new ones appearing smaller and flatter than they used to.

Track it yourself. Notice when you stop doing the automatic morning check. Notice when you reach for a lower neckline without thinking about what's underneath. Notice when a new one appears and stays smaller than anything you've dealt with before.

It won't change the nature of this condition. But it's the first approach that addresses what's actually forming each growth — across all of them at once — rather than treating them one at a time while more appear in the background.
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Try it for 90 days. Full refund if you don't see results.

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