Fig. 1.

Injection technique. A, Green circles represent the injection areas. The red circles indicate areas where injections are considered dangerous. B, Injection technique. The study used a fanning technique with retrograde injection as its method of injection. C, Infographic representation of the gluteal soft tissue layers. The injection layer DAT is indicated. DAT, deep adipose tissue; ILB, inferior lateral buttock; IMB, inferior medial buttock; SLB, superior lateral buttock; SMB, superior medial buttock.