Scars may result from trauma (injury), infection (e.g. chicken pocks), inflammation (acne) or prior surgery. Likewise there are certain conditions known for causing scars, such as untreated acne leading to pit scars, or surgical wounds leaving off-white line scars and stitch tracks, etc. Accordingly, there are quite a few methods for treating and improving scars, depending upon the specific type, whether it is elevated above the skin (as in the case of keloids and hypertrophic scars) or atrophic (depressed scars), such as those box scars, rolling scars, or ice pick scars that may follow severe acne. Without a photo and some history it is impossible to really say what form of treatment(s) is appropriate in this case. Treatments run the gamut from surgical revision, punch-excision, chemical peels, radiowave treatments, subcision and fractional medical microneedling, each having its own purpose and expected outcomes. To determine what is best for you, consultation with a board certified aesthetic physician with extensive experience with each of these modalities is strongly urged.