Histogen, a regenerative medicine company launched in 2007, has announced an encouraging follow-up to their pilot study from last year.

And it is good. Trialists were given only one application of Histogen’s Hair Stimulating Complex (HSC), and in some cases gained 73% more hair in the application area.
HSC seems to be a relabeled version of their ReGenica product [...]

50 years ago, the late cancer researcher Charles Breedis was taking a scalpel to the backs of rabbits at a University of Pennsylvania lab. Under a grant by the National Cancer Institute, he was investigating the link between healing and the Shope papilloma virus, a carcinogenic pathogen similar to HPV in humans .. Dr. Breedis had observed the first recorded instance of follicular neogenesis, a phenomenon in which new, fully functioning hair organs develop as a biproduct of trauma to the body.