There are a few different factors that go into deciding whether or not you want to commit to a treatment like Botox. (Will it hurt? How much does it cost? Will I still be able to move my eyebrows?) Another thing to consider: How long will the results last?
According to Tracy Evans, a board-certified dermatologist and medical director at Pacific Skin and Cosmetic Dermatology in San Francisco, "Botox lasts approximately three and half to four months, on average. Few people will have a small lasting effect after the four month mark."