“…blood pressure) [ 21 , 44 , 45 , 49 ], one on type 2 diabetes [ 30 ], and one on obesity [ 20 ]. Barbershops accounted for the majority of study settings ( n = 9) [ 21 , 44 , 45 , 50 – 53 , 55 , 56 ], with four studies taking place in hair salons [ 20 , 27 , 29 , 30 ]. Interventions taking place in barbershops targeted men ( n = 9) [ 21 , 44 , 45 , 50 – 53 , 55 , 56 ] while those in hair salons targeted women ( n = 4) [ 20 , 27 , 29 , 30 ].…”