In this in vitro study, YifaCompoundPrescription was reported to enhance human hair follicle growth and increase VEGF mRNA expression compared to blank serum.
January 2013 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine”
This study found that YiFacompound medicated serum significantly promoted the proliferation of follicle stem cells and increased mRNA expression of K19 and β1 integrin in a mouse model, suggesting a potential mechanism for treating alopecia.