This review summarizes current understanding of defensin peptides in skin and hair rejuvenation. It draws on preclinical animal models, mechanistic studies, and human clinical trials, including data on α-defensin and β-defensin formulations. Defensins are discussed in the context of regenerative peptides, growth factor-based cosmeceuticals, extracellular vesicles, safety, regulatory considerations, and heterochronic parabiosis. The goal is to provide facial plastic surgeons and aesthetic clinicians with a practical, evidence-based overview of defensin therapy and its potential integration into regenerative aesthetic practice.
Defensins.
TL;DR
This review summarizes current understanding of defensin peptides in skin and hair rejuvenation. It draws on preclinical animal models, mechanistic studies, and human clinical trials, including data on α-defensin and β-defensin formulations. Defensins are discussed in the context of regenerative peptides, growth factor-based cosmeceuticals, extracellular vesicles, safety, regulatory considerations, and heterochronic parabiosis. The goal is to provide facial plastic surgeons and aesthetic clinici
Credibility Assessment
Preliminary — 38/100
Study Design
Rigor of the research methodology
5/20
Sample Size
Whether the study was sufficiently powered
7/20
Peer Review
Review status and journal reputation
10/20
Replication
Has this finding been independently reproduced?
6/20
Transparency
Funding disclosure and data availability
10/20
Overall
Sum of all five dimensions
38/100
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