research Use of urinary bladder matrix, a bioactive, acellular scaffold along with platelet rich plasma (PRP) in transplant donor scars and androgenetic alopecia: 5-year experience in hair duplication and hair loss prevention/non-surgical restoration
This narrative review discusses the potential of urinary bladder matrix as a bio-scaffold in hair restoration but provides no new clinical results or trials; it highlights regenerative technology and suggests further exploration.

