58 citations,
January 2015 in “International Journal of Trichology” Platelet-rich plasma, which carries growth factors, could be a promising treatment for non-scarring hair loss, promoting hair growth and density with no major side effects.
December 2014 in “PubMed” A scalp biopsy can help confirm hair loss types when other methods don't provide a clear diagnosis.
February 2009 in “Journal of the American Academy of Dermatology” Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.
53 citations,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” The document explains different types of hair loss, their causes, and treatments, and suggests future research areas.
28 citations,
August 2018 in “Dermatologic Surgery” Platelet-Rich Plasma (PRP) may help improve hair density in primary cicatricial alopecias (PCAs) patients, but more trials are needed to confirm its benefits.