My Doctor Said "Just Lose Weight." I Was Hiding the Smell for 6 Years. Here's What Actually Stopped It.

I spent 6 years and over $400 cycling through 11 tubes, 3 powders, and 2 prescriptions. Then a stranger in a Reddit thread mentioned NOVEXA DryFold Defense. I rolled my eyes. Then I tried it because I had nothing left to lose.

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As told to Amanda Forsythe ✓ Consumer Health Science Reporter · April 2026

How It Started, And Why I Kept Buying.

I am 48. I am a school librarian in a suburb of Columbus. I have been married for 22 years to a man who builds custom kitchens. We have two teenagers. I read for a living. I am intelligent. I should have figured this out faster than I did.

It started the summer I turned 42. The skin under my belly fold turned red and started weeping by the second week of June. I thought it was a heat rash. I bought a tube of Lotrimin from CVS and used it twice a day for a week. The rash cleared up. I forgot about it.

The next summer it came back. By July it was under both breasts too. Lotrimin worked for four days, then quit working. I switched to Monistat. Same thing. I tried Gold Bond. It absorbed the moisture for an hour, then turned into paste, then shredded the skin worse. I tried cornstarch from my own kitchen. Same paste, same friction.

By summer three I had been to a dermatologist. She gave me hydrocortisone and a printout about portion control. I am 5'7" and I weigh 218 pounds. I know I am overweight. I did not need a printout to tell me. What I needed was something that would stop the bleeding.

By summer four I had gone to two more dermatologists. One told me to lose 30 pounds. One asked if I was washing the area properly. The third one suggested skin removal surgery. I looked it up that night. $11,000 minimum out of pocket. I sat in my parked car in our garage for forty minutes before I could go inside.

By summer five I stopped going to dermatologists.

By summer six, I had spent over $400 on tubes and powders and another $420 on dermatology copays for visits that produced nothing. I had cried in two exam rooms. I had cried in the dressing room at JCPenney trying on a tank top I put back on the rack. I had cried in my car twice.

I thought it was my fault.

It was not.

What I Wanted to Believe Was Wrong.

I kept thinking the next product would work because the last one nearly worked.

That is the trap. Lotrimin nearly worked. It cleared the rash for four days. So I thought maybe a stronger version would work for longer. I tried prescription terbinafine. It cleared the rash for three weeks. I thought I had it.

Then it came back at the next humidity trigger.

I kept missing the pattern.

At summer four I started writing it down. I had a small notebook in my kitchen drawer. Date the rash flared. Date I started a product. Date the product stopped working. Date the rash came back.

Reading the notebook back, I realized something I should have seen years earlier.

The cycle was always the same. 30 to 45 days. From flare-up to flare-up. No matter what product I was using. No matter how clean I kept the area. No matter if I was using a cream or a powder or a steroid.

Whatever was making this happen was not affected by anything I was applying to my skin.

I just did not know what it was yet.

Everything I Tried. And Why None of It Worked.

I will spare you the full inventory. Here is the short version.

Antifungal creams (Lotrimin, Monistat, store brand): four-day reset. Rash always came back.

Powders (Gold Bond, Zeasorb, cornstarch from my own kitchen): absorbed moisture for an hour, then turned into paste, then made the friction worse. The cornstarch I am pretty sure was actually feeding whatever was making this happen, but I will get to that.

Hydrocortisone: calmed the redness for three days, then my skin started to thin where I was applying it. By week two I had broken capillaries that I now have to live with.

Prescription antifungals (terbinafine, ketoconazole): stronger than the over-the-counter version, but the cream base under them was the same greasy occlusive vehicle. Three weeks, then back to baseline.

Moisture-wicking underwear from Amazon: $89, did not help.

A box fan I slept with on a timer pointed at my stomach: my husband moved to the spare room for three months because of the noise.

A panniculectomy consultation: $11,000 minimum out of pocket. Insurance denied my request because my BMI did not meet their documentation thresholds. The surgeon did the math in front of me and said it would be cheaper to lose 60 pounds.

I drove home and parked in the garage and did not get out for forty minutes.

I gave up on solutions for three weeks. I took an unpaid week off work. I cried a lot. Then I started looking again.

$400 in tubes and powders. $420 in copays. Six summers. The cabinet did not get smaller. The rash did not go away.

Comments on this story

Donna Mitchell

Has anyone else been through this exact same thing? I have been trying drugstore creams for 3 years and the rash is getting worse not better. I do not know what to do. My doctor keeps telling me it is my weight.

Like·Reply·  9 ·47 min

Karen Weidner

Donna, keep reading. This was me 6 months ago. The mechanism part is the part nobody told me either. You are about to read it.

Like·Reply·  4 ·32 min

Melissa Torres

My sister sent me this link. The peel-shirt-off paragraph made me cry. That is my exact life. I am 44 and I have been doing this since I had my second baby. I did not know it had a name.

Like·Reply·  12 ·1 hr

What I Found at 2 AM.

It was August. The rash was the worst it had been in three years. The tank-top moment in the dressing room had been the previous week. I had not slept past 3 AM in nine days.

I got up around 2. I made tea. I sat at the kitchen table in the dark with my phone.

I typed "intertrigo never goes away" into Google.

I scrolled past the WebMD pages. I scrolled past the dermatology clinic ad results. I clicked the Reddit links.

The first thread was on r/bigboobproblems. The second was on r/PlusSize. The third was a post from 2024 with 847 comments. The post was titled "If you have been treating intertrigo for years and it keeps coming back read this."

A user named ofcourseitsmarie had written a long comment under the post. She had screenshots of a paper from a clinical mycology journal. She kept using two phrases I had never heard before.

The yeast-to-hyphal shift.
The morphological switch.

I read her comment three times. Then I clicked the link to the paper she had screenshotted.

By 3:30 AM I was on PubMed reading abstracts. By 4 AM I had a notebook full of search terms. The same notebook I had used to track my flare-up dates for the past two years was now filling up with vocabulary I did not know I needed.

I did not get back to bed that night.

I cried in my kitchen at 4 AM. Not from pain. From relief.

It was not my fault.
It had never been my fault.

The Yeast in My Skin Was Mutating.

Here is what I read on PubMed at 4 AM. I will say it the way I would say it to my sister.

There is a fungus called Candida albicans. It lives on most adult skin in small amounts. It is mostly harmless. The shape of it is round, microscopic, sitting on the surface.

That is the version every drugstore antifungal kills.

Under heat, sweat, and friction, Candida changes shape. The round cells stretch out into long elongated tubes called hyphae. The hyphae grow downward. They press into the top layer of skin. They reach into the living tissue underneath.

That is what was bleeding under my belly fold.

That is what was making the smell. The smell was not bacteria from poor hygiene. It was hyphae digesting tissue. My body was being eaten by something that could not be reached by anything in my bathroom cabinet.

The transition from yeast to hyphae has a name. The morphological switch. Voss documented it in 2019. The full transition takes 24 to 48 hours under the right heat and moisture conditions.

Once hyphae penetrate the dermis, surface creams cannot reach them. The cream sits on top. The roots stay underneath. The hyphae keep growing.

I will say what I said to myself at 4 AM in my kitchen.

For thirty-five years every drugstore brand has been killing the wrong stage of the infection.

The recurrence cycle was not because I was doing something wrong. The recurrence cycle was because every product I had tried was treating yeast that had already converted into something the product could not touch.

I cried because I had been carrying this on my skin and in my marriage for six years and nobody had told me.

What the Surgeon General Knew in 1942.

I was up until 5:30 AM that morning. By the end I had a notebook full of search terms and one specific compound name.

Undecylenic Acid.

It is a fatty acid derived from the castor plant. It has been in medical literature since the 1910s. The U.S. Surgeon General deployed it to Pacific theater troops in the spring of 1942. The men were sweating through three uniforms a day in 90 percent humidity. They had fungal rashes that would not respond to anything available at the time. The Army issued Undecylenic Acid to medics in tropical theaters by the mid-1940s.

It worked because it does not just kill surface yeast. It blocks the morphological switch. The cellular transition from yeast to hyphae cannot happen in the presence of the right concentration.

It is still in some specialty antifungal products today, mostly for athlete's foot.

But here is what I could not stop thinking about as the sun came up.

The compound the U.S. military used to keep soldiers operational in the Pacific had been documented for eighty years. And nobody at the drugstore was using it correctly.

I needed to understand why. As far as I could tell, there were two reasons.

The first was that the active needs the exact right concentration to actually block the morphological switch. Below a certain percentage it kills surface yeast like any other antifungal. Above a certain percentage it irritates intact skin. Drugstore brands defaulted to weaker, safer azole antifungals.

The second was the vehicle. The cream every drugstore brand uses to deliver any antifungal is occlusive. It seals the skin. It traps moisture. Trapped moisture is exactly what triggers the morphological switch in the first place.

Even at the right concentration of Undecylenic Acid, a standard cream vehicle would re-create the conditions that produce the hyphae the active was supposed to block.

The active had existed for eighty years.
The vehicle had not.

I started looking for products that contained Undecylenic Acid. Most of them were old athletes-foot remedies in greasy tubes. None of them had a vehicle that did not trap moisture.

Then I found one that did.

The Box Arrived on a Tuesday.

I ordered NOVEXA DryFold Defense Intertrigo Relief Cream at 4:45 AM that morning, before I went back to bed.

It arrived four days later. A small brown shipping box on the porch. Inside, a sage green box with a gold vertical stripe and the word NOVEXA at the top. Below NOVEXA, the words DryFold Defense. Below that, in smaller print, Intertrigo Relief Cream.

The tube inside was the same sage green. Matte finish. Silver metallic screw cap at the bottom. Heavier in my hand than I expected.

I read the label twice before I opened it.

I applied it that night. I had cleaned and dried the area thirty minutes earlier. I squeezed out a small amount, less than a dime, and applied it to the worst section of skin under my belly fold. The cream went on like cream. White, slightly cool, smooth.

I set the timer on my phone.

At 30 seconds, the cream had thinned. I could see the texture changing.

At 60 seconds, the cream was gone. What was left on my skin was a dry, soft powder layer I could only feel when I ran my finger over it.

I did not feel relief yet. I felt something different. I felt that for the first time in six summers, a product I had applied to that area had not made it more wet.

I went to bed without a fan blowing on my stomach.

I checked my skin three times during the night. The powder was still there. The skin was dry. The burning had quieted.

I did not let myself believe it yet.

What's Actually In It, And What Each Part Does.

I am going to tell you what is in this product the way I told my sister-in-law over coffee. There are five actives. Each one does something specific.

Undecylenic Acid.

This is the active from the wartime medical literature I read at 4 AM. The military-grade fatty acid that blocks the morphological switch. The reason every drugstore antifungal had failed me was that none of them used this active in a strong enough concentration. The concentration in NOVEXA matches the precise window the wartime military trials established. Below that window, the active behaves like a regular antifungal. In that window, it stops yeast from converting into hyphae. That is the cellular thing that had been driving my recurrence.

Witch Hazel.

I had used witch hazel toner on my face for years. I did not know it could be used to calm skin inflammation. It tightens the surface of the skin. It reduces redness. It does not thin the skin like steroids. By the second day my belly fold area looked less angry. I did not understand at the time that this was the witch hazel doing what hydrocortisone had been pretending to do.

Zinc Oxide.

Not the white paste from baby creams. A micronized version that integrates into the powder barrier. It does not paste. It does not abrade. It just sits between skin folds as a thin friction layer.

The Cream-to-Powder Vehicle.

This is the part I had to read three times. The cream evaporates in 60 seconds and leaves a powder. The cream phase delivers the active deep into the micro-cracks where hyphae take root. The powder phase stops fresh sweat from triggering the next cycle. No other product I had tried did both. That was the whole problem with the eleven tubes in my cabinet. Engineers spent thirty years on this problem because no other vehicle is physically capable of doing both jobs in one application.

Micronized Powder Barrier.

After 60 seconds, what was left on my skin was invisible. Not pasty. Not sticky. Just dry. It held all night. I checked at 3 AM the first night. It was still there.

I want to say one more thing about how I have used it since.

The protocol is designed for repeat application during humidity-trigger seasons. Long-term use does not thin the skin like steroid creams or build resistance like prescription antifungals. I have used it twice a day every day for eight months now. My skin under my belly fold has not flared once. It looks healthy and intact for the first time since I was 42.

If you have spent more than three summers cycling through drugstore creams, the protocol that broke the cycle for me is available below.

My First 8 Weeks.

Early phase (Day 1 through Week 1).

The first morning, I woke up dry. I had to check three times. The powder layer was gone but my skin was not weeping under my belly fold. I did not change my work shirt at 2 PM. I did not change it at 4 PM. I drove home from work in the same shirt I had put on that morning and did not need to peel anything off when I undressed.

By Day 3, the smell was gone. I had been so used to it that I had to ask my husband over dinner. I asked him casually, the way you ask about laundry. He paused for a second longer than I expected and said no. He said it was the first time he had been able to say no in a long time.

By Day 5 the burning was gone. The redness was fading. The skin under my belly fold had texture I had forgotten existed. I had stopped carrying paper towels in my purse but I had not let myself acknowledge it.

By the end of Week 1 I had stopped checking my skin every two hours. I started to believe what I had read at 4 AM.

Mid phase (Week 2 through Week 4).

A coworker at the library asked me on a Tuesday in Week 2 if I had lost weight. I had not. My face had stopped being clenched against low-grade pain.

In Week 3 my older daughter, who is 16, said something at dinner I will not forget. She said I had been laughing more lately. She had not noticed when I stopped laughing. I had not noticed either.

In Week 4 my husband sat next to me on the couch on a Saturday night while we watched a movie. He put his hand on my thigh. He did not move it. He did not flinch. He did not pull back. We had not sat that way in three years. I held very still so he would not change his mind.

Climax phase (Week 6).

At week 6 my sister had a birthday dinner at a restaurant on the river. I had been planning to wear what I always wore. Loose dark cardigan over a tank top with bike shorts underneath the wrap dress.

I did not wear the bike shorts that night. I did not wear the cardigan.

I wore a navy wrap dress and a soft knit jacket that I took off at the table. My husband held my waist when we walked into the restaurant. I did not flinch. He did not let go.

We sat through two and a half hours of dinner. Twice he reached over and put his hand on my knee. I did not move. He did not move.

When we got home that night I cried in the bathroom. Quietly. Door closed. He thought I had a cold.

I did not have a cold.

I had my body back.

Day 1 I cleaned and dried the area. I applied a small amount. I set the timer on my phone.

Week 3 A coworker asked if I had lost weight. I had not.

Week 6 I wore a wrap dress without bike shorts. He held me. I did not flinch.

The protocol I followed is the same one available now.

What I Tell People When They Ask.

By month three I had been asked by my sister-in-law, two friends from book club, my daughter's volleyball coach, and a woman in line at Kroger.

I told three of them. Here is what happened.

Names changed for privacy. Quoted with permission.

The Math My Dermatologist Never Mentioned.

I will tell you what I told my husband over dinner the week I figured out the math.

Six summers of drugstore products cost me $400. Three dermatology visits cost another $420. Together, that is $820 spent on protocols that did not interrupt the recurrence cycle one time.

The panniculectomy consultation was $11,000 minimum out of pocket if I had gone through with it. My insurance had denied the coverage request because my BMI did not meet their documentation thresholds. The surgeon told me it would be cheaper to lose 60 pounds.

Nobody mentioned the morphological switch. Nobody mentioned that the recurrence cycle was biological. Nobody mentioned that the active that would have stopped it had been documented for eighty years.

The drugstore industry built its margins on my recurrence cycle. Every cream that worked for four days made another sale at day five. The system did not have to lie to me. It just had to keep me cycling.

I will not tell you exactly what I have spent on NOVEXA in the last eight months. That is on the product page. What I will tell you is what my husband said when I showed him the receipts.

He said the math had been working against me for six years. He said it did not have to keep working against me.

He was right.

My Last Word.

If you are where I was, peeling your shirt off after work, hiding from your husband, crying in your car, counting the half-used tubes in your bathroom cabinet, I need you to hear this.

It is not your weight.
It is not your hygiene.
It is not because you didn't try hard enough.

It is a cellular mutation that has been documented for eighty years. There is a 60-second dry-down that stops it.

I am not going to tell you what to do with that information. I am going to tell you it exists.

I have written this in case the woman who is reading it is the one I would have given a tube to last summer if I had known her.

I do not know your name. But I think I know your bathroom.

I think I know your car.

I think I know what you have been carrying in your purse.

You can put it down.

The 60-Day Window.

I want to tell you why the guarantee is 60 days.

The hyphal recurrence cycle is 30 to 45 days minimum from one trigger to the next. To know if a treatment has actually broken the cycle, you have to see at least one full humidity trigger come and go without recurrence. A 30-day guarantee would not get you past the second cycle. You could not actually know if the protocol was working.

A 60-day window gets you past the next humidity trigger. You see if the cycle has been broken.

If you do not see the cycle break within the 60-day window, you contact NOVEXA for a full refund. No questions asked. No photos required. No medical documentation. The protocol either broke the cycle for you or it did not.

I would not be telling you this story if there was risk in trying it. The risk is in waiting another summer for an active that has been documented since the 1940s in a vehicle that has only just been engineered.

Six summers ago I peeled my shirt off in my upstairs bathroom and convinced myself it was my fault. Six summers from now you will either be where I was or where I am.

NOVEXA DryFold Defense Intertrigo Relief Cream ships from a U.S. fulfillment warehouse with free shipping on international orders to Canada and Australia. Standard delivery is 3 to 8 business days. Checkout is secured. The 60-day money-back guarantee applies to every order with no questions and no documentation required.