Your skin is an organ.
We treat it like one.

The first practitioner-dispensed skin longevity supplement. Launching Q1 2027.

1,000 public access spots before clinical rollout.

A clinician looking into a microscope

Clinicians: Request Information

Practitioner access begins Q1 2027.

Request info

Skincare focuses on
how aging looks.

Longevity science studies
why it happens.

We’re bringing the two together.
This is skin longevity.

Formula 01

One Protocol. Every factor of skin longevity.

Formula 01 skin longevity sachet

FORMULA 01 is the first product to leverage longevity science to transform skin's most important biological systems. A daily skin longevity protocol, formulated with eighteen synergistic actives that act on every biological factor of skin aging.

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10factors of skin aging
Macro texture detail
18synergistic actives
Close-up of skin texture
1sachet a day

INSIDE-OUT SKINCARE

A supplement,
not a serum.

The outer layer of your skin, where topicals are applied, is dead. The factors that drive skin longevity live in the deeper, living layer (the dermis), where most topical actives never reach.

An oral, internal approach allows actives to reach every layer of skin, from the inside out, and it reaches every part of your body, not just where you apply it. It also enables us to target the complex biological dependencies and synergies that drive skin longevity, in a way that standard topicals struggle to.

Taking something orally doesn't guarantee it reaches skin. Every active in Formula 01 has a documented route there: measured in skin after oral intake, taken up by known transporters in skin cells, or shown to change skin in human studies.

How It Works

Skin ages as a network. 

It also rejuvenates as one. 

Skin renews itself every day. Skin aging begins when that renewal breaks down in three domains: molecular damage factors wear down cellular function. Failing cells can't build and maintain skin tissue. A structure in disrepair invites more damage. Inside those three domains sit the ten factors of skin aging, each feeding the others. Target one factor, or one domain, and the rest keeps the cycle deteriorating. 

Suppress damage factors

damage drivers

glycation · oxidation · senescence · inflammation

allow cells to recover

Restore cellular health

cellular function

cellular energy · cellular renewal · genetic maintenance

signal cells to build

Rebuild skin structure

skin structure

collagen · elastin · hydration (HA) · barrier

The Result

Healthier skin builds younger skin.

Your skin does the rebuilding. Formula 01 gives it the conditions to do it properly. Eighteen synergistic actives target all ten factor holding skin's renewal back. With those addressed, skin can produce collagen, elastin and hyaluronic acid optimally, on every inch of your skin.

A clinician-grade intervention for skin longevity. Built from within. 

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Formula 01 skin longevity sachet
For Practitioners

Your patients will ask.
Our clinical dossier has the answers.

The science of skin aging, full mechanistic documentation, active-by-active breakdown, dosing, oral to skin bioavailability data, and synergy rationale, our 2027-2028 validation roadmap and more. In vitro studies currently underway: practitioners to receive the data first.

Request clinical information
Clinician looking into a microscope
Simon Sakhai, Founder & CEO of Epillon
From our founder

I didn't set out to build a skincare company.

I came to this through longevity science.

At Oxford, I led the Society of Ageing and Longevity, where I worked with researchers asking how aging happens at the cellular level, and what can be done about it.

One organ kept standing out for me: the organ people spent the most time, money and emotion on was the organ the longevity field overlooked. Skin lived in dermatology, longevity lived in a lab.

I built a team of researchers who saw the same gap I did, and we came together to connect cutting edge geroscience to skin. We called it Project Epillon: Epi for skin, Lon for longevity.

Formula 01 is the outcome of that research: a new kind of longevity intervention designed to support skin at its very foundations.

Simon SakhaiFounder & CEO

FAQ

Got questions? We’ve got expert-backed answers to help you navigate every step of your journey.

1000 founding members receive first allocation starting January 2027, ahead of the broader clinical rollout throughout 2027.

Formula 01 is dispensed through dermatology and functional practices at a clinic-only price. Founding members buy directly from us at that same price, permanently. It's a limited number of places, and it doesn't reopen.

Formulated with clinically studied actives at therapeutic dosing in humans. A 2027-29 validation roadmap, including in vitro mechanistic studies and dermatologist-supervised RCTs. In vitro studies currently under way, results to be published Winter 2026.

Formula 01 is made entirely in the USA, at a GMP Certified, pharmaceutical-grade facility in New York, with additional 3rd party testing. 

Yes, and you should. Internal and topical skincare work on different layers of skin. Creating an internal, cellular foundation from our supplements will amplify the effectiveness of your topical routine.

Collagen powders deliver one substrate. You swallow collagen, hoping skin will use it to build more. But aged skin isn't short of raw material. It's short of the cellular machinery to build with, and a single substrate does nothing about that. Beauty vitamins are usually one or two actives at cosmetic doses, chosen for what's recognizable on a label rather than what the biology needs. Formula 01 is built from the biology outward. Seventeen actives at therapeutic doses, selected to act across all 10 factors and three pillars of skin aging: suppressing the damage, restoring cellular function, and signaling the rebuild. It's a systems approach, because skin aging is a system.

Formula 01 is a targeted rejuvenation intervention and therefore works with skin's own rebuilding cycle, so the timeline follows the biology. The surface layers renew in about four weeks. The deeper structure, collagen and elastin, turns over far more slowly, across months. We suggest evaluating at three months and staying with it for six.

Yes. Formula 01 is built for clinical dispensing, and that's where it launches. Alongside it we're opening a limited founding cohort to the public: first allocation, clinic pricing locked for life, and no need to wait for a practice near you to stock it. Places are capped and they don't reopen.

Practices submit a brief through our practitioner form. Qualified practices receive wholesale pricing, clinical training, patient education materials, and dedicated account management. Apply via the practitioner section above.