April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
January 2019 in “Skin appendage disorders” A woman's hair loss was linked to a rare hormone-secreting ovarian tumor, treated with surgery and hair loss medication.
January 2019 in “Springer eBooks” PRP may help with hair loss and improve hair quality with few side effects, but more research is needed.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Aging causes changes in scalp cells that can negatively affect hair health.
Older women's scalp cells show changes that could contribute to hair thinning.
August 2016 in “Journal of Investigative Dermatology” Dutasteride improved hair density and thickness in men not helped by finasteride, with minimal side effects.
Hair restoration and scalp surgery can effectively treat hair loss.
January 2014 in “Jaypee Brothers Medical Publishers (P) Ltd. eBooks” Mesotherapy might help with hair and scalp problems.
September 2013 in “Hair transplant forum international” The conclusion cannot be provided because the document is not accessible.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.