A better understanding of what's in your water. And filtration designed to match it.
Water isn't the same everywhere. Across America, aging infrastructure, local treatment methods, and regional water sources create meaningful differences from one home to the next. That's why VESL exists.
Our mission is to bring cleaner water to every home, starting with showers, through products that are backed by science, thoughtfully engineered, and affordable for everyday families.
Most people check the water they drink. And stop there.
Before VESL, the two of us built a company in sleep. The premise was that sleep is a basic biological need most people under invest in, largely because it's invisible. You don't notice what you aren't doing well. We spent years helping people take seriously something they do every single day without thinking about it once.
Water is the same shape of problem, and two things make it harder. It never announces itself. It comes out clear every time, so whatever it's doing gets attributed to something else: the shampoo, the season, the weather, getting older.
And the exposure doesn't stop. Every shower, every wash, every day, for as long as you live in that house. Nobody notices small and constant. Drinking water got solved decades ago, and everything downstream of the kitchen tap has been treated as though it doesn't count.
Then one of us was moving houses, and his wife asked why they weren't filtering more than the drinking water. His first reaction was the one most people have.
"Why would I filter anything past what I drink?"
There's no such thing as average water.
Two households a few hundred miles apart can be showering in water that started in different places, was treated with different chemistry, and travelled through pipes of very different ages to get there. Filtration is almost always sold as a single answer to all of it. That gap is the reason this company exists.
Regional water sources
Surface water from a river or reservoir behaves differently from groundwater pulled out of an aquifer. The starting chemistry differs before a single treatment step happens, and that difference carries all the way to the tap.
Local treatment methods
Municipal systems principally use free chlorine or chloramine. They are not two versions of the same thing. They are different chemical problems, and they call for different filtration chemistry to address.
The pipes it travels through
Water quality at the plant and water quality at your showerhead are two different measurements. Cities across the country are investing heavily in ageing systems, and what happens between the plant and the tap varies enormously in the meantime.
We settled two things before we built anything: how we would prove it, and how we would price it.
Evidence first meant bringing on an MIT trained chemical engineer to design the testing protocol before we had anything to test, sending that protocol to an accredited third-party lab rather than running it ourselves, and writing down the rules we'd follow for making claims where anyone can read them.
On price, we made one decision: build it properly, then charge what that actually costs plus a fair margin. The media in the cartridge costs what it costs. The hardware is built to a standard we're willing to publish. What we left out is the premium this category attaches to feeling exclusive, because that premium buys the customer nothing. Better water shouldn't be priced like a luxury when it isn't one to make.
What came out of it is a filtered showerhead built around the VESL SPA Pod™ cartridge, designed for the free chlorine systems most of the country runs on. A chloramine formulation is the next engineering objective, and household products beyond the shower come after that. Built the same way, priced the same way.
Read the three rules →An MIT trained chemical engineer designed our testing. He holds us to it.
Postdoctoral research, Stanford University
Designed the protocol our filtration is tested against and reviews the results. His condition for advising was that the testing be rigorous and the claims be honest.
"Most people think about what's in their drinking water. Almost no one thinks about what they stand under."
Chlorine, hard-water minerals, and dissolved metals from ageing pipes are real, routine, and overlooked exposures. The shower is the most direct daily contact most adults have with their tap water, and it happens at the temperature where chlorine evaporates most easily.
Dr. Joo designed the protocol our filtration is tested against. The testing itself is run by an accredited third-party laboratory and is currently underway. Results will be published with the lab's name and methodology when the work is complete, and we publish removal percentages when we can publish the data behind them. Dr. Joo advises VESL; university affiliations are listed for background and do not indicate institutional endorsement of VESL.
Three rules. No exceptions.
The standards his protocol is designed against, and the ones every claim on this site has to clear.
Who ran it, what protocol they followed, and at what flow rate, published alongside the number.
Every formulation targets a specific kind of water, and we say which kind. Today that's free chlorine systems.
Performance across the full life of the cartridge, not the best hour of it.
Everyone gets about a second. What happens inside it is engineering.
Every filter works by holding water against a material long enough for a reaction to finish. A fixture you can install yourself gives it roughly a second, which rules out most of what this industry uses. Two things decide what's possible in that second: what the water meets, and how long it meets it. This category treats both as fixed. We treat both as engineering problems.
Illustrative. Not drawn to scale.
A chloramine solution at fixture scale is our next engineering objective, and it's active work rather than an aspiration. That's the problem VESL exists to solve.
Our current filter is designed for free chlorine, the disinfectant most municipal systems use. We won't claim chloramine performance until an independent lab confirms it.
Powered by VESL SPA Pod™
Our copper-zinc purification media, chlorine-reducing sulfite media, and mineral-conditioning complex work together to help soften the feel of water, reduce common shower-water impurities, and leave every rinse feeling cleaner and more refreshed.
The three ingredient groups are blended together in a single chamber rather than stacked in sequence — so every drop of water contacts all of them at once. This is the setup our advisor recommended for daily shower use.
There's a lot more water in a house than a shower.
A chloramine formulation is the next engineering objective, and household products beyond the bathroom come after that. Everything we build gets the same treatment the showerhead got: designed for a named water profile, tested by an accredited lab, published in full.