subject: How Long Does Botox Last? [print this page] How Long Does Botox Last? How Long Does Botox Last?
Botox is an FDA approved injectable that weakens the muscles that cause wrinkles. Although it is only FDA approved for certain facial muscles, it is often injected into areas that may cause aesthetic concern, such as the forehead muscles, the muscles between the eyebrows, and the crows' feet areas of the face.
The FDA estimates that Botox lasts about 3 months. However, it can last longer, depending on the location of the facial muscles, how big the muscles are, and how often the injection is given.Allof these reasons are anecdotal, or are not based on science or evidence. Rather, it is simply the opinion of the plastic surgeon and some common sense observations.
Botox works by weakening and temporarily paralyzing the muscle. If it is injected into a thick muscle, the muscles will still function but not as well. This effect is temporary, and your muscle will recover to normal strength and fully function in about 3 months.
Depending on the location of your muscles, Botox may last longer in certain areas than others.Botox will tend to work for a shorter period of time in very strong, thick muscles. Botox will last longer, or at least appear to last longer, if the muscle is thinner. For example, the muscles around the crows' feet area is not as thick as the muscles in the between the eyebrows.
If given on a consistent basis, Botox may weaken your muscle, resulting in the future injections lasting longer than your first injection. Although this is subjective, it may appear that repeated Botox injections may result in a need to get them less often.
