The full effects of BOTOX® non surgical face lift Cosmetic injections can be noticed in as little as 5-7 days. The results may vary from person to different person, but depending on the severity of your wrinkles and the strength of your muscles that were treated. These results will last from three to four months after the procedure after which most of the patients will gradually return to their previous, former state. Usually, BOTOX® non surgical face lift Cosmetic procedures should be redone every 3 to 4 months.