Synergistic effects of Rhynchosia nulubilis and Polygonum multiflorum extract combination on cell proliferation via targeting IGFBP-1 & NT-3 and cytotoxicity suppression in testosterone-induced human dermal papilla cells - Jiwon Seo; Chanhyeok Jeong; Jung Han Yoon Park; Chang Hyung Lee; Ki Won Lee (PLoS ONE, 2025)