When I take a bath, I sweat. It seems that I have sensitive skin, so when the sweat drips down from my forehead, it gets in my eyes and it stings.
My cheeks also sting.
ご質問ありがとうございます。
"When I take a bath, I sweat."=「入浴すると、発汗する。」
"It seems that I have sensitive skin,"=「どうやら敏感な肌を持っているらしい」
"so when the sweat drips down from my forehead,"=「額から汗が流れると」
"it gets in my eyes and it stings."=「目に入って沁みる。」
"My cheeks also sting."=「頬もひりひりする。」
ご参考までに。