Aspen, Colo. – At the summer edition of The Cosmetic Bootcamp (CBC), Drs. Sherman and Narurkar illustrated how to optimize Kybella (deoxycholic acid) injections.
Deborah Sherman, M.D., compared the typical submental injection area to the silhouette of a bat. “In the middle, it’s got a thick body. As it goes laterally, it extends like bat wings. So based on the individual assessment of that patient’s anatomy, we can then target hitting the pre-platysmal fat. Centrally the injection depth will go a little deeper as the fat has more mass, on average about up to 8 mm in thickness – where the fatter, thicker ‘body’ is.” As the treatment area fans out laterally, “Based on the fat depostion thinning in that area, the injection depth will be on average 2 to 4 mm deep. So we’re going to change the depth of a 30-gauge needle to 1/3 the length of the needle laterally and ½ the length of the needle in the middle.”
On the female patient that Vic Narurkar, M.D., was injecting, he marked a treatment area starting about 1 cm below the mentalis. “I stay relatively more medial and away from the marginal mandibular nerve. I’m also marking the jowls, because one of the areas where I believe I’m getting more of a bang-up result is in selected jowls. Be aware that with the marginal mandibular nerve, there is a risk of injury when you’re injecting jowls.” He is founder and director of the Bay Area Laser Institute, chairman of dermatology at California Pacific Medical Center, San Francisco, and a CBC cofounder and director.
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