Ever wondered how skincare ingredients actually get inside your cells? Meet Exosomes—the bio-science answer to precision delivery.
1. The Ultimate Delivery Box (50-150nm)
Think of an Exosome as a microscopic delivery box. Our skin cells are protected by a double-layered lipid barrier that acts like a strict security checkpoint, blocking most outside substances.
However, Exosomes are made of the exact same material as our cell membranes. This allows them to pass through the security gate effortlessly, delivering vital signals directly into the heart of the cell.
2. It’s What’s Inside That Counts
The real magic lies in the “Cargo.” Inside these boxes are growth factors, proteins, and nucleic acids like PDRN (Check my previous post on PDRN here: https://writerby.com/pdrn/).
The contents depend on the source. Stem cells are master regenerators; therefore, Exosomes derived from stem cells carry powerful instructions to repair tissue, boost growth, and reverse the signs of aging.
3. Backed by Science
Exosomes derived from human umbilical cord blood-derived mesenchymal stem cells acted on human dermal fibroblasts to stimulate collagen production. This study also confirmed whether exosomes could penetrate human skin.
- Within 3 hours of application, exosomes reached the uppermost part of the epidermis.
- After 18 hours, they acted on the epidermis to increase the production of collagen I and elastin.
Reference: Kim, Yoon-Jin, et al. “Exosomes derived from human umbilical cord blood mesenchymal stem cells stimulates rejuvenation of human skin.” BBRC 493.2 (2017): 1102-1108.
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