7. A straight part
The production of collagen also slows down with age. The subcutaneous layer on the face is distributed unevenly, and is concentrated within the chin area — it makes the face look more elongated. A straight part outlines this feature even more. That’s why you ought to choose a side part instead — it’ll help balance the facial proportions and make the hair look more voluminous.
![](https://wikidame.com/wp-content/uploads/2021/03/7.-A-straight-part-.jpg)