I only had my injection for 6 days
How to Remove Lumps from Butt Injection
Doctor Answers 1
The quicker you remove it the easier the surgery. Before the body forms granulomas.
You probably are talking about the illegal injection by lay persons of silicone or hydrogel into the buttocks.
Both silicone and hydrogell are from the hardware store.and can cause severe infection and severe long term reaction. The treatment is surgery and can be EXPENSIVE