Although the manufactures of anti-wrinkle injections recommend 3-monthly treatment frequency, depending on your lifestyle anti-wrinkle injections can last between 3-6 months.
Having an active lifestyle and lifestyle choices such as smoking and drinking are thought to affect the longevity of the effects of anti-wrinkle injections.
The results also tend to last longer after several treatments. This is because the muscles that we treat aren’t used as much and they become smaller and shorter. This means that over time you will require fewer treatments over a given period.