16 citations,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
20 citations,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
33 citations,
May 2006 in “Journal of Investigative Dermatology” PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.
21 citations,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
2 citations,
June 2021 in “Cosmoderma” Platelet-rich plasma (PRP) shows promise in skin and hair treatments but results vary with preparation methods.