research Microneedle‐Assisted Delivery of PEGylated Recombinant Human Fusion Collagen for Androgenetic Alopecia: Preclinical and Pilot Clinical Evidence
This study reported that microneedle-assisted delivery of PEGylated recombinant human fusion collagen significantly improved hair regrowth and density in an androgenetic alopecia mouse model and in a small clinical trial with AGA patients, suggesting potential efficacy and safety for this treatment approach.