TABLE 5.

Injection Techniques per Anatomic Area

Risk Area	Technique
Forehead and eyebrows	Low G’ filler dermal injections with “serial puncture” technique with the periodical release of little bolus injections along the defect while compressing with digital pressure the supraorbital and the supratrochlear vessels
Temporal region	Low G’ filler mixed at a 1:1 ratio with 0.5% lidocaine with epinephrine, injecting lateral to medial below the dermal layer. Deeper injections may be performed approximately 2.5 cm higher than the periorbital arch. The use of small cannulas and small syringes is suggested
Glabellar region	Low G’ filler dermal injections with “serial puncture” technique
Nose	High G’ filler injected into the preperiosteal layer. Concomitant digital compression of the dorsal nasal and angular artery is suggested
Nasolabial fold	High G’ filler injected into the preperiosteal layer along the pyriform opening when treating the upper third of the nasolabial fold. Alternatively, one can inject laterally to a vertical line extending from the medial canthus to the labial commissure of the mouth. The use of cannulas is suggested in this area
Chin region	High G’ filler injected into the preperiosteal layer. Injections should not extend beyond a vertical line defined by the medial canthus