So what is a brow lift. What is a brow lift do? A brow lift is done for a number of reasons. A brow lift is commonly done for brow tosses or sagging of the upper brow and hooding of the upper eyelid. It can also treat a deep bruise of the muscles in the central forehead just above the nose, the bridge of the nose and between the eye browse and also treat the wrinkles of the mid-forehead that you get from the frontals muscle. There are various techniques using many different types of incisions and equipment to achieve a brow lift.