Different botulinum toxins block acetylcholine release via different synaptic proteins, BTX‐A – SNAP25 and BTX‐B – synaptobrevin. VAMP, vesicle‐associ...
Forehead facial asymmetry. BTX‐A 2 and 4 Ona BTX‐A units or equivalent. Aesthetic goal: (1) reduce right brow depressors and give brow elevation; and ...
Crow's feet: combination of BTX‐A followed by ultrapulsed carbon dioxide laser. (a) Before: crow's feet plus multiple lentigo. (b) Six months postoper...
Some frequent sites for injection of BTX into facial muscles for aesthetic indications.
(a) Usual injection sites for a symmetrical forehead with vertical glabella lines before treatment and to correct brow ptosis. 4 Ona BTX‐A units per s...
Crow's feet: wrinkles extending laterally from the periorbital area produced by contraction of the orbicularis oculi muscle.
Perioral wrinkling due to contraction of the orbicularis muscle and dermal actinic elastosis. 1 unit per wrinkle site. 2 ona BTX‐A units maximum per l...
Forehead facial asymmetry. Stronger right corrugator and procerus muscles. Results in right brow ptosis compared to left.
Crow's feet: BTX‐A injection sites. Wrinkles extending laterally from the periorbital area produced by contraction of the orbicularis oculi muscle. on...
Mentalis muscle ‘creases’ treated with BTX‐A. (a) Before ona BTX‐A, 2 units; and (b) 7 days after (a).