More information is needed for proper answer.
There is a chance you do not keep face looking up. If it follows an arm,
I assume it would be in the water finally.
Fine is to lean a bit on back part of the chest, to get a balance. Head
should be relaxed, with chin toward chest, like you look at your feet.
You will know what is good, when you feel less drag.
The very problem also might be something else. If you post no more,
none can help.