What are exosomes?

Exosomes are nanoscopic vesicles — roughly 30 to 150 nanometres across — released by almost every cell in the body. Think of them as microscopic courier packages: each one carries a cargo of proteins, lipids, growth factors and genetic material such as messenger RNA and microRNA. Their role is communication. They travel between cells delivering instructions that influence how neighbouring cells behave, which is why they've become one of the most talked-about frontiers in advanced skin care.

Why they matter for skin

In the context of skin health, this signalling role is exactly what makes exosomes so compelling. When skin is stressed, ageing or recovering from a procedure, its cells rely on clear communication to coordinate repair. Exosomes are believed to support this process by:

• Prompting fibroblasts to produce collagen
• Helping to regulate the skin's inflammatory response
• Encouraging the orderly renewal of skin cells

Because they deliver a whole package of signals rather than a single active ingredient, they're often described as working “upstream” of many traditional actives.

How they're used in treatment

Exosomes are increasingly paired with treatments that temporarily disrupt the skin barrier — such as microneedling and electroporation — where their signalling cargo can be introduced more effectively and support the recovery phase. Clients often describe calmer, more comfortable healing and a refreshed, rested appearance in the days that follow. As an in-clinic or topical addition, exosome-based care tends to suit anyone focused on overall skin quality, radiance and resilience rather than a single, isolated concern.

What to keep in mind

As with any advanced ingredient, quality and source matter enormously. The origin of the exosomes, how they are processed and how they are stored all influence the outcome. This is a fast-evolving area of skin science, and the best results come from professional guidance rather than guesswork. If you're curious whether exosome-based care could suit your skin, a consultation with your clinic is the ideal place to begin.