device not available to initiate study.

The purpose of this research study is to learn about the effects of the 2940 nm Erbium: Yttrium-Aluminum-Garnet (Er:YAG) laser on treating surgical scar using optical coherence tomography, a medical imaging device.

Inclusion Criteria:

1. Adults age 18 years or older
2. Patients should have Fitzpatrick skin types of I-IV
3. Patients should have mild to severe post-surgical scarring located on head and neck
4. Scar lengths of at least 3 cm.
5. Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria:

1. The patient should not be receiving any additional systemic, topical, or intralesional treatment of the scars during the study
2. Scar size less than 3 cm in length
3. Pregnant or lactating females
4. Fitzpatrick skin type of V-VI
5. Scleroderma
6. Photosensitivity
7. Botulinum toxin injection, facial laser resurfacing, chemical peels, fillers, or usage of oral retinoid within the last 6 months.