In Engpsh, you can say "sweating profusely" or "drenched in sweat" to describe someone who is sweating heavily from their head. You can also say "covered in sweat" or "soaked in sweat" to convey the same idea. For example:
"I was running on the treadmill and I was sweating profusely by the time I finished."
"She was so nervous that she was drenched in sweat by the time she finished her presentation."
"He had been working hard in the garden all day and was covered in sweat by the time he came inside."
"I was so hot and thirsty that I was soaked in sweat by the time I reached the water fountain."