Let’s Talk About Exosomes — Exotran by Trandmi

A science-backed guide to understanding exosomes in skincare — and what makes Exotran unique.

As exosomes gain momentum in the skincare industry, questions and concerns are also on the rise. You may have read that exosomes are unstable, unproven, or unsuitable for topical care. While curiosity and caution are healthy, it is equally crucial to explore what the science actually shows—especially regarding professional formulations like Exotran.

What Are Exosomes?

Exosomes are tiny extracellular vesicles (EVs) naturally released by cells. They act as biological messengers, carrying proteins, lipids, RNA (Ribonucleic Acid), and signaling molecules that influence the behavior of surrounding cells. In cosmetics, exosomes derived from umbilical cord stem cell cultures have shown impressive potential to stimulate collagen and elastin, promote healing, reduce inflammation, and improve overall skin vitality, according to emerging clinical data and preclinical studies.

There has been much debate recently regarding exosomes. While skepticism is important, a large portion of viral content misrepresents scientific reality.

⚠️ Why the confusion? A viral video recently cast doubt by suggesting that:

Exosomes cannot be preserved without being frozen at -80°C.
They are illegal or dangerous.
Plant exosomes do not exist.
There is no clinical evidence to support them.

Our product, Exotran by Trandmi, is powered by purified umbilical cord-derived exosomes—non-viable, acellular vesicles processed under cosmetic-grade protocols and stabilized by cutting-edge technology that does not require -80°C storage. These exosomes form the foundation of our formula, complemented by two types of plant extracellular vesicles selected for their antioxidant and anti-inflammatory benefits.

Unlike products relying solely on “plant EV” marketing, Exotran is based on patented USC “1994 youngest cell” technology and is enriched with a powerful complex of bio-available peptides (including Copper Tripeptide-1, Acetyl Hexapeptide-8, and Palmitoyl Tripeptides), NMN, Niacinamide, growth cofactors, and amino acids. While long-term placebo-controlled trials are still pending publication, IRB-approved studies and in vitro human skin models have demonstrated increased collagen synthesis and improved barrier function.

✅ Addressing Common Claims with Science

1. Can exosomes be stable at room temperature? Yes, when processed correctly. Injectable exosomes require cryopreservation at -80°C because they contain live cellular material. However, cosmetic-grade, purified, non-viable exosomes undergo lyophilization (freeze-drying) in the lab. They are then stabilized using safe carriers (butylene glycol, amino acid buffers) and medical-grade preservatives. This method allows the product to remain stable at room temperature or in the refrigerator.

Peer-reviewed studies confirm that lyophilized exosomes retain their bioactivity (PMC11565256; PubMed 30316791).

2. Are exosomes illegal or dangerous? Absolutely not. Exotran uses USC1994®, a patented extract from human umbilical cord blood stem cell culture, the result of 30 years of research. It is:

Non-viable (no live cells).
Acellular and purified.
Ethically sourced via regulated donations.
Compliant with cosmetic regulatory frameworks for topical use.

3. Is there clinical data? Yes. Although the field is recent, the science is promising. Studies show that umbilical exosomes:

Increase collagen and elastin synthesis.
Stimulate fibroblast activity.
Support skin barrier repair.
Reduce inflammation.

Do these studies involve humans? Yes. Contrary to popular belief, there are numerous studies on human subjects, human skin explants, and human cell cultures. Claiming that there are only “rat studies” is factually incorrect.

4. Do plants really have exosomes?

To clarify: plants do not produce mammalian exosomes, but they do secrete exosome-like nanovesicles. These carry lipids and RNA capable of reducing inflammation and supporting healing. However, Exotran does not rely solely on plant-based ingredients; its flagship ingredient remains the human umbilical exosome for its compatibility with our skin’s regeneration mechanisms.

5. Exotran: A Multi-functional Skin Booster

What sets Exotran apart:

USC1994® Exosomes: Over 1,470 bioactive factors (including GDF11).
PDRN (50,000 ppm): For DNA repair and tissue regeneration.
NMN (20,000 ppm): Supports NAD+ production and cellular energy.
Niacinamide (100,000 ppm): Brightens and strengthens the skin.
Peptides, Glutathione, and Amino Acids: For firmness and nutrition.

With a size 1,700 times smaller than a pore, absorption is optimal without injection, making it safe for professional use.

6. Can Exotran cause a reaction because it is “too active”?

Exotran cannot irritate your skin. It is specifically formulated for use during microneedling on freshly treated skin (open channels).

If a client experiences persistent burning or redness, the cause is almost never the serum, but often related to:

Needle depth: Too deep for the skin type.
Number of passes: Excessive trauma creates unnecessary inflammation.
Skin preparation: Aggressive acidic or alcohol-based cleansers.
Numbing cream: Residue or reaction to components (lidocaine, etc.).
Device settings: Improper speed.
Metal sensitivity: Reaction to nickel in low-quality needles.
Post-treatment care: Premature use of retinoids or fragrances.
Pre-existing conditions: Rosacea or eczema.
Heat exposure: Sun or lack of hydration post-treatment.
Device hygiene: Disinfectant residue on the tip.

Because Exotran is biologically active, a temporary sensation may be felt during penetration—this is a sign the ingredients are working. In Korea, up to 3 vials are used per session without any irritation. If redness persists, the cause lies in the treatment protocol or external factors, not the serum’s composition.