also: フェースライン
noun
face outline; facial contour
Wasei-eigo from 'face line'; refers to the silhouette or shape of the face, especially in beauty and cosmetic contexts.
wasei-eigo (Japanese-coined English), from face line
この髪型はフェイスラインをすっきり見せる。
This hairstyle makes the face outline look sharp.
マッサージでフェイスラインを引き締める。
I tighten my facial contour with a massage.
輪郭 is a general term for outline or contour of any object, while フェイスライン specifically refers to the face's outline, often in beauty contexts.
Wasei-eigo from English 'face' and 'line'. The exact derivation is uncertain, but it is commonly used in Japanese beauty and fashion contexts.