January 2006 in “Basic & Clinical Medicine” Hair keratin doesn't significantly affect rat organ function but may help detect early rejection through blood changes.
January 2008 in “Chinese Journal of Aesthetic and Plastic Surgery” Type B material, ground for 8 hours, is the most suitable and compatible for use as a soft tissue filler.
April 2011 in “ISRN Dermatology (Print)” The wigs made from human hair and polypropylene were mostly well-tolerated and durable in rabbits, suggesting they could be a new option for people with extensive hair loss.
April 2014 in “Zhonghua shiyan waike zazhi” Improved wigs showed good compatibility and no adverse reactions after transplantation.
April 2017 in “Journal of Investigative Dermatology” Certain microRNAs may protect against hair loss in alopecia areata and could be potential treatment targets.