Androgenetic alopecia, or hair loss, is caused by a mix of genetics, hormones, and environment, where testosterone affects hair growth and causes hair to become smaller and grow for a shorter time.
November 2021 in “Clinical, cosmetic and investigational dermatology” An elderly woman with cancer improved after treatment for a rare skin condition with coiled hairs.
June 2014 in “Biotechnology and Bioprocess Engineering” Injecting lab-grown hair cells into the scalp can regrow hair.
January 2022 in “Stem cell biology and regenerative medicine” The document concludes that hair follicle regeneration involves various factors like stem cells, noncoding dsRNA, lymphatic vessels, growth factors, minoxidil, exosomes, and induced pluripotent stem cells.
January 2015 in “American journal of medical and biological research”