Secretomes are collections of bioactive molecules released by cells, including growth factors, cytokines, peptides and extracellular vesicles such as exosomes. Rather than replacing skin cells, they help regulate cellular communication and may support the skin’s natural repair and renewal processes.
Unlike exosomes, which are one component of the secretome, secretomes represent a broader network of molecules working together to influence skin function.
What benefits do they offer?
Early research suggests secretomes may help:
- Support collagen and elastin production.
- Strengthen the skin barrier.
- Reduce inflammation and support wound healing.
- Improve recovery after procedures such as microneedling and fractional lasers.
- Support collagen remodelling in acne scars and address early signs of ageing.
What should you know before trying them?
Despite promising early findings, secretome-based treatments are still an emerging area of regenerative dermatology. Their effectiveness depends on factors such as the source, formulation, manufacturing process and delivery method. Topical products also face challenges in maintaining the stability and activity of these biological molecules.
People with active skin infections, certain inflammatory or autoimmune conditions, or those who are pregnant or breastfeeding should seek medical advice before considering treatment, as long-term safety data remains limited.
What does this mean for the future of skincare?
Secretomes reflect a shift towards supporting the skin’s natural ability to repair and maintain itself, rather than focusing only on visible concerns. However, they should currently be considered an emerging addition to evidence-based dermatological treatments, not a replacement for established care.
As Dr Nishita Ranka explains in the article, the goal is to help skin communicate better, recover more effectively and maintain its natural strength over time.