I'm a pharmacist. I've spent years on the other side of the counter, explaining medications, reviewing interactions, counseling patients on exactly what a drug does and why it works. I understand pathophysiology. I read clinical literature. I know what Malassezia is, what it feeds on, and why the skin reacts the way it does.
And I still went through years of seborrheic dermatitis before I found something that actually worked.
That's the part that matters. Not that I eventually built a solution — but that I couldn't find one already on the market, despite knowing exactly what I was looking for.
The cycle I knew too well from both sides
Seborrheic dermatitis has a predictable pattern. If you have it, you already know this without me describing it. But I'll name it anyway because naming it is the first step to understanding why most treatments fail.
The cycle goes: flare → consult → prescription → brief relief → relapse → consult again. The prescriptions vary — hydrocortisone cream, ketoconazole shampoo, sometimes selenium sulfide — but the arc doesn't. You get a few weeks of improvement. Then it's back. Sometimes worse, because repeated corticosteroid use on facial skin thins the barrier over time, making the next flare easier to trigger.
I had sat across from dermatologists. I had read the prescriptions. I had filled them. And I had watched the cycle repeat in patients and in myself, without anyone — myself included, in those early years — asking the question that actually mattered:
Why does it keep coming back?
The question that changed everything
Malassezia yeast cannot synthesize its own fatty acids. It depends entirely on external lipid sources — sebum, and anything you apply to your skin — to survive and multiply. When those lipid sources are present and abundant, it overgrows. When its immune system triggers a disproportionate inflammatory response to the yeast's metabolic byproducts, you get the flaking, the redness, the itch.
That mechanism is well established. It's not new research. It's been in the dermatological literature for decades.
So I went to look for a product that followed that logic. Something formulated without the long-chain fatty acids Malassezia feeds on. Without the polysorbates that break down into Malassezia fuel. Without the esters and plant oils that make up the standard emollient base of virtually every moisturizer, serum, and treatment on the market.
What I found was a category of products that treated the inflammation, or the yeast population, or the barrier — but not the underlying feeding cycle. And many of them were packaged in formulas that actively sustained the very thing they were supposed to address. A ketoconazole cream in a base of cetearyl alcohol and polysorbates. A "natural" scalp oil packed with argan and jojoba — both rich sources of the fatty acids Malassezia needs.
The antifungal fighting the yeast while the carrier oil fed it. Every application, a stalemate.
What I decided to build instead
I didn't set out to start a skincare brand. I set out to solve a specific problem with a specific mechanism, because the solution I needed didn't exist.
The formulation question was straightforward in principle: build an elixir that provides antifungal activity, moisture, and barrier support, using exclusively ingredients that Malassezia cannot metabolize. No long-chain fatty acids. No esters in the feeding range. No polysorbates. No plant oils, regardless of how they're marketed.
In practice, that constraint eliminates most of what conventional skincare uses as its emollient base. The work was in finding what remains — and what remains is a short list of ingredients with clear, demonstrable safety profiles for Malassezia-prone skin: MCT oil (C8/C10 caprylic/capric triglycerides, which fall below the chain length Malassezia can metabolize), squalane, and a selection of antifungal botanicals with evidence for activity against the yeast.
The result was the Face & Scalp Elixir. Not a "natural remedy" experiment. Not a DIY kitchen formula. A pharmacist-formulated treatment built around the biology of the condition it addresses — every ingredient chosen because it either actively reduces Malassezia activity or is inert to the yeast, and nothing included that contradicts those criteria.
Why this matters more than the product itself
I'm not telling this story to sell you something. I'm telling it because the mechanism is the point — and most of what's marketed for seborrheic dermatitis ignores it.
If you've been through the cycle — the dermatologist visits, the prescriptions, the brief relief, the relapse — there is a specific reason it keeps happening, and it's not that you have unusually difficult skin or that sebderm is just one of those chronic conditions you have to manage forever. It's that the treatments you've been given address the symptoms without eliminating the conditions that allow the yeast to repopulate.
The cycle breaks when you stop providing the fuel. That means removing Malassezia-feeding ingredients from everything applied to affected areas — not just the treatment product, but the moisturizer, the cleanser, the shampoo, the sunscreen, the conditioner. One Malassezia-safe product surrounded by conventional products that feed the yeast will produce exactly the partial results you've seen before.
This is the thing I wish I had understood years earlier, before I understood the biology well enough to see it. And it's the reason Epicderma exists — not because I wanted to make a skincare brand, but because I wanted the thing I needed to exist, and it didn't.
One last thing
I'm a pharmacist, not a dermatologist. I want to be clear about that distinction because it matters for how you use this product and this information.
The pharmacist credential means I formulated this with clinical precision — every ingredient at a defensible concentration, every choice made against a specific mechanism rather than a trend or a marketing angle. It means I can explain exactly what's in it and why.
It doesn't mean Epicderma is a substitute for medical care. If you haven't been evaluated for seborrheic dermatitis by a physician, that's still worth doing — particularly to rule out scalp psoriasis or other conditions that can present similarly and require different treatment.
What I can tell you, with the confidence of someone who has studied this condition and lived it: the biology is real, the mechanism is real, and the cycle can be broken when the treatment actually follows what the science says.
That's what we built.
Yohan — Pharmacist and founder, Epicderma