I found this on the Allergan site and thought it was pretty cool info!
1950s– Scientists discover that botulinum toxin can reduce muscle spasms
1960/1970s– Studies explore botulinum toxin as a treatment for strabismus (crossed eyes).
1988- Allergan researches other medical uses of botulinum toxin.
1989- Allergan introduces BOTOX®, the first botulinum toxin approved by the FDA to treat blepharospasm (eyelid spasms) and strabismus.
2000- FDA approves BOTOX® therapy for cervical dystonia to reduce the severity of abnormal head position and neck pain
2002- FDA approves BOTOX® Cosmetic (onabotulinumtoxinA), the same formulation as BOTOX®, with dosing specific to moderate to severe frown lines between brows.
2004- FDA approves BOTOX® for severe underarm sweating when topical medicines don’t work well enough.
2009- 20-year anniversary of BOTOX®.
Read more here! http://www.botoxmedical.com/about-botox/botox-history/ and talk with your Doctor to see if it’s right for you!
In Health and Happiness