How a tooth powder ended up being made by a research institute at Prince of Songkla University

If you picked up our PrimalDent tooth powder prior to mid 2025, it was made on a kitchen counter in a condo in central Bangkok, by me, in batches of less than 20 jars at a time. The label was printed at my wife's kitchen design studio. The powder was weighed on a small gram scale. The quality-control was whatever my wife and I decided was good enough before I sealed the jars.

Last year, PrimalDent moved production to MSRI, a research institute inside Prince of Songkla University in Hat Yai, southern Thailand. The same formula — unchanged in every ingredient and every ratio — is now produced there, Thai FDA registered, under research-grade quality protocols. This essay is how that happened, and what it means for everything else we make.

Why the kitchen works, and why it eventually does not

Small-batch, founder-made personal care has specific advantages. You control every variable. You know every ingredient's provenance because you bought it yourself. You can iterate in hours, not months. It is a legitimate way to make products, and for a long stretch of our brand's life it was the only way.

What the kitchen does not give you is scale, and it does not give you the regulatory standing to operate in the larger Thai retail ecosystem. Thai FDA cosmetic notification — the basic regulatory clearance required for wholesale retail, paid advertising, and export — requires a manufacturing site on file that meets certain standards. Our Bangkok kitchen did not. At some point, the business reaches a wall: more customers than kitchen, more regulatory need than founder-production can satisfy. We reached that wall in 2025.

Why we chose MSRI specifically

The obvious answer was to find a conventional contract cosmetic manufacturer in Bangkok or the industrial belt around it. Thailand has an active contract-manufacturing industry for personal care. Many of them are competent. Some are excellent. All of them operate as private factories whose business model is to produce products to specification with minimal curiosity about the formulation itself.

MSRI is different. It is not a private factory. It is a research institute embedded inside Prince of Songkla University — one of Thailand's top-tier research universities, with recognised programmes in natural products, tropical medicine, halal science, and materials science. The institute produces commercially, but it produces under research-grade quality protocols and within an academic culture that treats every formulation as, on some level, a scientific question.

The implication for our brand is concrete. When we take a new formulation to MSRI, the conversation is not 'we can make this at X units per month, here is the price.' The conversation includes whether the formulation does what we claim it does, how we would document that, whether the stability data supports the shelf-life we want to print on the box, and what adjacent questions the scientists there find interesting about it. That conversation upgrades our formulations in ways a contract factory would not.

MSRI is not a private factory. It is a research institute embedded inside one of Thailand's top-tier research universities.

What this changes about what you hold in your hand

If you have a jar of our tooth powder at home, the difference between the kitchen-produced version you may have bought before mid 2025 and the MSRI-produced version you would buy today is real but quiet. The formulation is unchanged — we would not change that. What has changed is batch consistency (much tighter), fill accuracy (to the gram), label compliance, and documentation. Every batch now carries an MSRI production code that traces back to a specific run, a specific raw-material lot, and a specific QC signature.

What about the rest of the range

PrimalDent is the first product through the transition. The rest of our range is in staged rollout, on a deliberate schedule.

• Magnesium deodorant — first MSRI batch scheduled for mid-May 2026, with Thai FDA registration following the same month.
• Bio-Active range (Bio Gold, Bio Clean, Bio Glide, Bio Recovery) and Repel — scheduled through summer, with target completion by August 1, 2026. Thai FDA registration is in process alongside production.

We are doing this one product at a time, deliberately. A rushed factory transition is how formulations get quietly changed to meet process constraints. We would rather take longer and preserve the formula.

When each product lands at MSRI, it carries the same MSRI production code discipline — every batch traceable to a specific run, a specific raw-material lot, and a specific QC signature.

Why I am telling you this in detail

I am telling you in detail because you are the kind of customer who cares. The difference between 'made in Thailand' and 'made at MSRI, Prince of Songkla University' is not visible on most labels, because most brands do not disclose their manufacturing beyond a postal code. We are choosing to disclose because the disclosure is the point. Our formulation argument — that skin is a lipid organ and deserves a narrow, honest set of bio-mimetic inputs — is strengthened by being paired with an academically-grounded supply chain. They are the same argument, made twice, from different directions.

What it says about Thailand

One small thing I want to name. The international clean-luxury industry treats Thai-made personal care with a polite underestimation that does not match the reality of the country's capability. There are globally significant research universities in Thailand. There are globally competent manufacturers. Thai natural-products research has genuinely meaningful history and a deep pipeline of current work. Part of what PrimalBasics is trying to do is make that fact visible to customers outside Thailand — to name the specific institution, the specific university, the specific province — rather than hiding behind the generic 'made in Thailand' phrase. If a brand's supply chain is its integrity, we would rather tell you where our integrity lives.

— Mike