Tear trough filler treatment is not painful. During the treatment, the surgeon will first apply numbing cream to the area being treated to help make the procedure more comfortable, and once that has taken effect then the filler will be injected using a tiny needle.
As the needle goes in, some people feel some discomfort but it is tolerable. The pain is minimal and should last only a few seconds.
The entire procedure usually takes around 15 – 20  minutes, and because it is only minimally invasive there is no recovery time.