5 citations,
February 2017 in “Biomolecules & Therapeutics” 4-O-Methylhonokiol helps protect skin cells from growth-stopping effects of a protein by regulating growth-related pathways.
Crinum asiaticum extract and norgalanthamine may promote hair growth by blocking an enzyme linked to hair loss and a pathway that stops hair growth.
August 2011 in “Planta Medica” 4-O-methylhonokiol from Magnolia Officinalis may promote hair growth by interfering with TGF-β1 effects in skin cells.
14 citations,
January 2016 in “Biochemical and Biophysical Research Communications” Ginsenoside Re from ginseng may help hair grow by blocking a specific growth-inhibiting pathway.
19 citations,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.