Exogenous IGF-1 promotes hair growth

[noisette]

May be beneficial for the restoration of human hair loss and which may be used as an alternative to synthetic drugs.

" Local injection of IGF-1 increased hair follicle number and prolonged the growing phase during the transition from anagen to telogen. Meanwhile, immunology analyses revealed that IGF-1 also stimulated the proliferation of follicle cells in anagen of the matrix and down regulated TGF-β1 expression in hair follicles. "

source :http://www.growthhormoneigfresearch....%2900023-9/pdf

And here an other abstract published on 4 december 2014 :
http://www.ncbi.nlm.nih.gov/pubmed/25484129