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Related Experiment Video

Updated: Feb 28, 2026

Visualizing Scar Development Using SCAD Assay - An Ex-situ Skin Scarring Assay

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A Split-Scar Study: Study of Surgical Scar Using Exosomes.

Kyung Hwan Jeong¹, Kui Young Park², Dong-Woo Jung³

¹C.LILY Facial Rejuvenation Center, Beijing, China.

Journal of Cosmetic Dermatology

|February 26, 2026

Summary

Exosomes significantly improved scar quality, including pigmentation, pliability, and relief, offering a valuable option for managing postoperative scars. This study highlights exosome therapy

Keywords:

autologous costal cartilage revision rhinoplasty cicatrix exosomes postoperative scar management regenerative medicine scar improvement wound healing

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Area of Science:

Dermatology
Regenerative Medicine
Biotechnology

Background:

Exosomes show promise for dermatological conditions like acne, atopic dermatitis, and wound healing.
This study investigates exosome efficacy for improving postoperative scars.

Purpose of the Study:

To evaluate the efficacy of adipose-derived stem cell-derived exosomes (ASC-Exosome) in improving postoperative scars.
To compare ASC-Exosome treatment with hyaluronic acid for scar management.

Main Methods:

Ten patients with revision rhinoplasty scars were enrolled.
Scars were divided into halves: one treated with ASC-Exosome (experimental), the other with hyaluronic acid (control).
Outcomes assessed using Vancouver Scar Scale (VSS) and Patient and Observer Scar Assessment Scale (POSAS).

Main Results:

ASC-Exosome treatment led to significant improvements in scar pigmentation, pliability, and relief compared to hyaluronic acid.
One-year follow-up showed superior improvements in scar height and thickness with exosome treatment.
Significant improvements noted in scar color, stiffness, and thickness, with some differences in irregularity.

Conclusions:

Exosomes significantly enhance scar quality, particularly pigmentation, pliability, and relief.
ASC-Exosome therapy represents a valuable option for postoperative scar management.
Further research may explore long-term effects and optimal application protocols.