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Home · The Science

The cell is the formula.

Every Vesi product is built around exosomes — the body's own messengers between cells. Engineered for the skin barrier, delivered at clinically validated concentrations.

Primer · 90 seconds

What is an exosome, really?

Exosomes are tiny lipid‑bilayer vesicles — roughly 1/1000th the diameter of a human hair — that cells use to send chemical letters to each other. They carry proteins, lipids, and short RNA strands. They're the body's native "tell other cells what to do" mechanism.

When applied to skin in the right concentration and pH, exosomes can signal fibroblasts (the cells that make collagen), keratinocytes (barrier cells), and follicular cells (hair). In short: they communicate with the skin, instead of just sitting on top of it.

Why our exosomes are different

  • Provenance. Sourced exclusively from human‑MSC lines characterised under Dr. Smith's patents. No animal‑derived material, no botanical mimics.
  • Concentration. Standardised batch-to-batch, so every bottle delivers a consistent, effective dose.
  • Stability. Encapsulated in our proprietary 7.4 pH carrier so the cargo arrives intact, not denatured by the formula around it.
  • Tolerance. Independently patch-tested across Fitzpatrick I-VI skin tones.
"Cells don't speak English — they speak chemistry. We just learned the vocabulary."
Dr. Robin L. Smith
Founder bio

Dr. Robin L. Smith, in brief.

A physician and longtime leader in regenerative medicine, with 30+ years advancing stem-cell and exosome science. Now Vesi's Chief Scientific Advisor.

30+
Years in regen med
12+
Patents authored
PhD
Regenerative med.
Read the founder story
30+Years in regen med
ExoPatent author
PhDRegenerative
"Skincare is just bioengineering — wearing a softer name." Dr. Robin L. Smith
FAQ · The science

Honest answers, no jargon.

Are exosomes really proven to work topically?

Yes — but only at specific concentrations, sourced from validated cell lines, and stabilised correctly. Most of the "exosome serums" on the market today don't meet at least one of those bars. Ours have peer‑reviewed published data we're happy to share on request.

Is this safe for sensitive skin?

Every Vesi formula is patch‑tested across Fitzpatrick I–VI for 14 weeks. We use the lowest effective concentration of every active and a barrier‑neutral 7.4 pH carrier. That said, anyone with active dermatologic conditions should consult their derm before introducing a new product.

How is this different from peptide serums?

Peptides are short chains of amino acids — useful, but limited to one job each. Exosomes carry entire payloads (proteins, lipids, RNA) and the cells decide how to use them. Think of it as broadband signalling versus single‑note signalling.

How long until I see results?

Most people notice barrier improvements within the first couple of weeks, with firmness building over the weeks that follow. Skin doesn't have an "instant" mode — anyone who promises that is selling something else.

Can I see the trial data?

Yes — email support@tryvesi.com and we will share the study information we have available.

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