What is botulinum toxin type A?
The cosmetic form of botulinum toxin, sometimes referred to as "Botox" by patients, is a popular injectable that temporarily reduces or eliminates facial fine lines and wrinkles. The most commonly treated areas are frown lines, forehead creases, crow's feet near the eyes. Several other areas have been treated such as thick bands in the neck, thick jaw muscles, lip lines and gummy smiles.
Botulinum toxin is a purified substance that's derived from bacteria. Injections of botulinum toxin block the nerve signals to the muscle in which it was injected. Without a signal, the muscle is not able to contract. The end result is diminished unwanted facial wrinkles or appearance. Commonly known types of botulinum toxin type A injections include Botox®, Dysport®, Xeomin® and Jeuveau®.
Botulinum toxin can be used to
- Smooth crow's feet, forehead furrows, frown lines, lip lines and bunny lines
- Diminish neck bands
- Improve the appearance of skin dimpling of the chin
- Lift the corners of the mouth
- Soften a square jawline
- Correct a gummy smile
The FDA has approved the use of Botox® for the frown lines and crow's feet, while Dysport® and Xeomin® are approved for frown lines only. All other uses are considered "off label."
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