This drain site looks like it has been infected prior to the drain being removed. It looks like it's healing, but it has some necrotic or dead tissue. You should follow up with your surgeon to clean the tissue to help it heal faster.
The PS who performs your BBL will provide you with a compression garment or suggest the one his/her practice prefers that you purchase. Follow those post-operative guidelines for best results.Kenneth Hughes, MD, Board Certified Plastic SurgeonLos Angeles, CA
This is purely surgeon preference. Some surgeons use "open" garments that allow the buttocks to be free from compression. Some surgeons use garments that cover the buttock but have minimal buttock compression, and some use garments that provide full compression after BBL. There is some thought ...