Why dimples on face are formed?

Dimples are the visible indentations in facial skin that are either permanently present on cheeks or chin, or appear temporarily while a person speaks or smiles.

Dimples are one of the most dominant facial traits.

Generally, dimples are present or appear on both cheeks, but sometime, a rare form of single dimple appears on one cheek.

It is believed that dimples are genetically inherited.

Studies have found that the parents having dimples give birth to children having dimples.

Anatomically, dimples are caused by the facial muscle called zygomaticus major. Dimples are caused when your facial muscle - zygomaticus major, is shorter than normal; it pulls on your skin and forms the indentation in your facial skin.

Cheek dimples are formed by the double or bifid zygomaticus major muscle.