By reducing the cross section is the reduced the from line of ansteheden water pressure, amount of water flowing, what then of course the water reduces jerk direction showerhead. Now it may be that the amount of water is not really sufficient at a low line pressure for quite a large shower heads. On the other hand, it may also be that a through head, who had previously quite hard water jets is now pleasantly properly. In any case, it takes less water per minute than before. Whether you need even less per shower process depends on whether the head is still working correctly by using the reduced amount of water.
