> https://phys.org/news/2019-09-electric-tech-reverse-baldness.html Unusual that all their articles have a pdf version. The actual biohacking paper... Guang Yao et al Self- Activated Electrical Stimulation for Effective Hair Regeneration via a Wearable Omnidirectional Pulse Generator ACS Nano (2019) DOI: 10.1021/acsnano.9b03912