If you encounter a grizzly bear while fishing, cover your face with your hands and lie face down on the ground.
Times, Sunday Times
After opting for the night bus, she tried to cover her face with her hand.
The Sun
Then she tried to cover her face with an extralarge purse.
The Sun
Cover her face — or, at least, her forehead.
Times, Sunday Times
But it's thick, so you don't need much to cover your face, and it absorbs easily.
Times, Sunday Times