Also known as a pilonidal cyst, the condition forms when a sac of tissue fills with air or fluid in the crease of your buttocks. Pilonidal cyst, doctors say, is mostly caused by a skin infection.

Cysts are small sacs filled with fluid, air or skin cells that can pop up just about anywhere.

Laser epilation, commonly known as laser hair removal, reduced the risk of recurrence in patients with pilonidal disease, an inflammatory, painful, and sometimes chronic or recurring condition, ...