A valve for a bathroom or kitchen hand shower is described including—a body of the valve; —an inlet for the water into the body of the valve; —at least one outlet for the water out of the body of the valve, —a closing body inside the body of the valve; —an actuation device for shifting the closing body along a first axis between at least one closing position of a fluid path between the inlet and one of said at least one outlet and an opening position of the fluid path between the inlet and said at least one of said at least one outlet; —an actuator button outside the body of valve associated with the actuation device. The actuation device includes a cam located in the body of the valve and a stepwise advancement mechanism located outside the body of the valve and operatively associated with the cam, the cam being associated with the closing body of the valve and the advancement mechanism advancing by one step upon each next shift of the actuator button from a release position to an actuation position, by moving the closing body between the closing and opening positions, —an elastic return system is operative between the actuator button and the body of the valve and between the actuator button and the advancement mechanism, to return the actuator button from the actuation position to the release position and to reposition the advancement mechanism for a next step.