If furrow is irregular triangle, rectangle, or be there is deep and apparent nick grain on eye week, neck, that belongs to dermal layer furrow.
英
美
- 如果皱纹是不规则的三角形、长方形,或是在眼周、脖子上有深刻而明显的刻痕纹路,那就属于真皮层皱纹了。