Botox is an FDA-approved injectable neurotoxin made of onabotulinumtoxinA, a purified form of botulinum toxin type A from Allergan. It temporarily blocks nerve signals to specific facial muscles. This relaxes the muscle that creates a dynamic wrinkle, allowing the skin above it to smooth.
Botox earned its benchmark status the hard way — through decades of clinical use and the largest body of research of any neurotoxin.
First approved cosmetically in 2002, onabotulinumtoxinA set the dosing units, the injection maps, and the safety profile every newer toxin is still compared against.
That long track record matters in the chair. Your Younger You Aesthetics injector can predict how your muscles will respond, because Botox behaves consistently across millions of documented treatments.
Botox also offers a tightly controlled diffusion radius — the toxin stays close to where it's placed. This precision makes it ideal for delicate zones like the glabella and crow's feet, where spread to neighboring muscles must be avoided.
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