Botulinum Toxin
Also known as: Botox, Dysport, Xeomin, BTX-A, Botulinum Toxin Type A
A neurotoxin that temporarily paralyzes muscles for cosmetic and medical applications.
Overview
Botulinum toxin is a neurotoxic protein produced by Clostridium botulinum. In controlled doses, it temporarily blocks nerve signals to muscles, reducing wrinkles and treating various medical conditions. It is one of the most common cosmetic procedures worldwide.
Mechanism of Action
Cleaves SNARE proteins (specifically SNAP-25), preventing acetylcholine release at neuromuscular junctions. Results in temporary muscle paralysis lasting 3-6 months. Effects are localized to injection site.
Pharmacokinetics
Effects begin 24-72 hours, peak at 1-2 weeks. Duration 3-6 months. Does not spread significantly from injection site when properly administered.
Dosing Protocols
Note: These are research protocols from literature. This is not medical advice.
Glabellar Lines (Frown)
20-40 units
Every 3-4 months
As desired
Botox units - varies by brand
Forehead
10-30 units
Every 3-4 months
As desired
Distribute across forehead
Crow's Feet
12-24 units
Every 3-4 months
As desired
Per side
Chronic Migraine
155-195 units
Every 12 weeks
Ongoing
31 injection sites
Research Areas
Key Research Findings
- 1FDA-approved for multiple cosmetic and medical uses
- 2Highly effective for dynamic wrinkles
- 3Treats chronic migraines
- 4Reduces excessive sweating
Side Effects & Contraindications
Reported Side Effects
- Bruising
- Headache
- Ptosis (rare)
- Asymmetry
- Flu-like symptoms
Contraindications
- Myasthenia gravis
- Lambert-Eaton syndrome
- Infection at injection site
- Allergy to botulinum
Safety Considerations
FDA approved. Must be administered by trained professionals. Risks include ptosis, asymmetry, and rare systemic spread. Contraindicated in neuromuscular disorders.
Storage Requirements
Refrigerate or freeze depending on product
Scientific References
- 1