Explaining what this is, the 27-year-old, who hails from Queensland, Australia, told ABC Science: "With pilonidal sinus disease, hair will fall into your pants and your buttocks rubbing against itself ...

A MUM has shared a shocking photo of a giant lump protruding from her breast ... most challenging parts of her journey was losing her hair. "I had long, luscious black hair.

swollen pus-filled red lump emerges. It is often caused by friction around the buttocks which causes hair in the area to be pushed inwards, making them "ingrown". The issue is more commonly seen ...

swollen pus-filled red lump. The condition is often caused by friction in the intimate area that causes hair between the buttocks to be pushed inwards, making them 'ingrown'. The problem is more ...

Dylan Conway was left bedridden for more than a year due to the debilitating skin condition caused by an ingrown hair Although most ... swollen red lump appearing in the area.