Botox (Botulinum Toxin Type A)
Medically reviewed: Dr. Murat Toktamışoğlu · 2026-05-21
Definition
Neurotoxin derived from Clostridium botulinum that temporarily blocks neuromuscular junction when injected, relaxing mimic muscles.
Detail
Most common aesthetic injectable. Mechanism: inhibits acetylcholine release from presynaptic nerve endings. Onset 5-14 days, duration 4-6 months. FDA-approved brands: Botox, Dysport, Xeomin. Indications: dynamic wrinkles, masseter, bruxism, hyperhidrosis, migraine, lip flip.