They can be flattened and controlled well, but some scars do attempt to regrow. With proper treatment and follow-up, results last much longer.

Most people need several visits spaced a few weeks apart. The exact number depends on how the scar behaves.

There may be a short sting, but numbing cream makes it easier if the area is sensitive.

Both help in different ways. Steroids soften scars, while 5-FU works well on firm or resistant scars. Many doctors combine them for a more substantial effect.

Most patients notice changes after a few sessions. Actual results will become apparent over time as the scar continues to flatten and soften.