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Yongkyu Kim

Yongkyu Kim

The Invisible Gap: Why Post-Spicy Care Was Missing

5 min readJul 28, 2026

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How water, milk, and waiting failed spicy food lovers for decads

Series: Building the Post-Spicy Care Category | Part 2 of 4

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A few years ago, I started asking people a simple question.

what do you actually do after a spicy meal?

The answers were almost always the same. Water, even though it doesn’t really work. Milk, sometimes. In Korea, a cold sweetened cultured dairy beverage grabbed from the convenience store refrigerator on the way out. And then, usually with a slight laugh: “Honestly? I just wait it out.”

I asked enough people to know this wasn’t a Korean thing, or an age thing, or a spice tolerance thing. The details changed. The pattern didn’t.

People improvised. They endured. They waited.

For a long time I filed that away as an interesting observation. Eventually it became an obsession. And much later, it became a company.

Recovery Was Never Designed

Think about almost any other intense experience.

Coffee has creamers and decaf. Alcohol has hydration products and hangover remedies. Exercise has recovery drinks and protein supplements. Even too much sun has after-sun lotion.

Every mature category eventually asks the same question:

what happens after?

Spicy food never really did.

For decades, we’ve competed to make food hotter, bolder, and more addictive. We’ve created hotter sauces. More extreme challenges. Entire restaurant concepts built around heat. But once the meal is over, people are largely left on their own. Water. Milk. Ice cream. Time. These aren’t products designed for post-spicy care. They’re simply whatever people happened to have.

That asymmetry surprised me. The global spicy food industry is worth billions. Yet the post-spicy moment had remained almost completely undesigned.

Borrowed Solutions

None of the familiar options are irrational. They simply weren’t created for this purpose.

Water feels refreshing. It’s cold. It washes your mouth. It gives you something to do. But chemistry doesn’t really care how refreshing water feels. Capsaicin is lipophilic. Water simply doesn’t interact with it in any meaningful way. You can drink glass after glass while much of the capsaicin responsible for the burning sensation remains associated with the tissues it has already reached.

Milk works better. There’s real science behind that. Casein can associate with hydrophobic molecules like capsaicin, helping reduce the burning sensation in the mouth. But milk was designed for nutrition — not post-spicy care. Once it reaches the stomach, the environment changes. Casein coagulates under acidic conditions, changing how it interacts with capsaicin, while lactose intolerance remains common across much of Asia.

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Then there’s cultured dairy beverage. In Korea, reaching for a cold sweetened cultured dairy beverage after spicy food has become almost instinctive. It’s cold. Sweet. Slightly tangy. It genuinely feels comforting. The sweetness softens the perception of heat. The cold temperature provides temporary relief. But comfort isn’t the same as mechanism. Cultured dairy beverage wasn’t formulated to manage capsaicin. It became part of the ritual simply because no product ever existed specifically for that moment.

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Antacids tell a similar story. They’re designed to manage gastric acid — not capsaicin. More importantly, they feel like medicine. People don’t want to interrupt dinner with medication. In our own consumer research, only 3% of regular spicy food consumers routinely reached for antacids. The other 97% weren’t rejecting treatment. They were telling us something else. They wanted something that felt like food. Not medicine.

None of these options are bad. They were simply borrowed solutions for a problem nobody had deliberately designed around.

The Invisible Problem

This is the distinction that changed everything for me.

The gap wasn’t just unaddressed. It was invisible. Those are very different problems.

An unaddressed problem is visible but unsolved. An invisible problem has become normal. People stop questioning it. Workarounds become habits. Habits become traditions. Eventually, traditions stop feeling like compromises.

“Just drink milk.” “Grab a cold drink.” “Wait it out.” These weren’t really answers. They were inherited routines.

As a microbiologist, I couldn’t stop asking a different question. What is actually happening inside the body — and is any of this designed to address it?

The answer was surprisingly consistent. Not really. Most conventional solutions focus on the experience in the mouth. Very few consider what happens afterward — as capsaicin continues interacting with tissues throughout the digestive tract over the following hours. The post-spicy experience was far more complex than the solutions built around it.

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Asking the Right Question

That’s when I realized I had been asking the wrong question.

The obvious question is:

which existing solution works best? But that question assumes the category already exists.

A better question is:

if no existing products existed, what would you design for this moment?

Everything changed once I asked it that way.

The product would need to work beyond the mouth. It would need to function throughout the digestive pathway. It would need to remain effective across changing physiological environments. And it couldn’t feel like medicine. It had to become part of the eating experience itself.

Nothing I found fit that description. Not water. Not milk. Not cultured dairy beverage. Not antacids.

That realization didn’t become a product overnight. It became a project. Months later, the project finally had a name.

Hooago™.

Coming next: Most people would have started by searching for a better ingredient. We didn’t. We started by questioning the assumptions behind the entire category. That decision changed everything.

Yongkyu Kim is the CEO and co-founder of Biomatz Co., Ltd. He writes about microbiome science, entrepreneurship, and category creation. This is the second in a four-part series documenting the creation of the Post-Spicy Care category through the development of Hooago™, Korea’s first post-spicy care product.

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