Minimum body weight of 50 kg (110 pounds) at Screening.
Diagnosis of essential tremor (ET) in accordance with the modified Tremor Research Investigation Group (TRIG) criteria, as follows:
* Bilateral postural tremor with or without kinetic tremor, involving hands and forearms
* Tremor of other body parts may or may not be present in addition to upper limb (UL) tremor
* Bilateral tremor may or may not be asymmetric
* Tremor that is reported by the participant to be persistent, although the amplitude may fluctuate.
You may not be if
History of any medical condition that may put the participant at increased risk with exposure to purified botulinum toxin type A complex, including diagnosed muscular dystrophy (e.g., Duchenne's muscular dystrophy), myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, mitochondrial disease, or any other significant disease that might interfere with neuromuscular junctional disorders.
History of an allergic reaction to or significant sensitivity to AGN-151607-DP or its excipients and/or other botulinum toxins.