Every client of Derma Clinics will receive pre and post treatment advice, and will receive an advice sheet to take home with them. On an extremely rare occasion the Botox® may migrate to a depressor muscle over the eye and cause the eyebrow or eyelid to droop (ptosis). As Botox® is not permanent, this is only temporary and will be resolved within 2 weeks. Eye drops provided by the doctor can also help.