1.Wrinkle removal, acne removal, improve scar, rejuvenation. 2.Improve wrinkle and fine lines. 3.The narrow focus of the site (glabellum, wrinkle, scar). 4.Shrink pores. How to Clean Your Roller? 1. Rinse needle roller in warm water. 2. Sanitize with alcohol and let it air dry. 3. After cleaning your derma roller, place in the storage that is provided. Features: Safety Warnings: Do not use on eyelids or lips. Do not use the Roller if you are currently having acne breakouts or any skin condition. Roller is for personal use only. Do not share. Do not use roller on infected or irritated skin. Always store this face roller out of reach of children. How to Clean Your Roller? 1. Rinse needle roller in warm water. 2. Sanitize with alcohol and let it air dry. 3. After cleaning your derma roller, place in the storage that is provided. Package Roller x 1