noun, noun which may take the genitive case particle 'no'
face; facial surface
Refers to the face as a physical surface or area, often used in medical, anatomical, or descriptive contexts. Slightly more formal and clinical than 顔 (かお).
ボールが顔面に当たった。
The ball hit me in the face.
顔面の筋肉を鍛えるトレーニングがある。
There are exercises to train the facial muscles.