Changes
/* Y-o-Y sale of botox procedures */
[[Image:botox procedures time line.jpg|center|800px|thumb|[http://www.surgery.org/press/statistics.php Source: ASAPS]]]
'''Conclusions:-'''
* Safety of botox was proven through invasive muscular and neurological procedures very well till 1992.
* In 1990, a serendipitous discovery showed Botox effect on 'smoothing wrinkles'
