521 citations
,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
270 citations
,
March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
209 citations
,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
200 citations
,
November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
165 citations
,
December 2004 in “Differentiation” BMP signaling is crucial for skin and hair growth.