• Linear threading/ Fanning/ Cross Hatching
• Gluteal: Deep subcutaneous layer
• Calf and Arm and Breast: mid to deep subcutaneous layer

Immediate complications (within 72 hours after injection) immediate hypersensitivity reaction, transient erythema, edema, induration, pruritus and ecchymosis.

Early complications (days to weeks after injection) include overcorrection, local infection, skin necrosis, herpes reactivation, discoloration and persistent local symptoms (erythema, edema, induration, pruritus and hyperpigmentation).

Late complications include infection, filler migration, delayed hypersensitivity reaction, foreign-body granuloma and scarring.