Histology of SMA-001 in the Abdomen

Inclusion Criteria: 1. Female, 25-65 years of age 2. Abdominoplasty patients with sufficient skin quality (dermal thickness \& integrity, limited stretch marks/attenuated skin) 3. Able to follow study instructions and likely to complete all required visits, as assessed by the PI 4. Signed the IRB-approved Informed Consent form and the HIPAA form prior to performance of any study-related procedures Exclusion Criteria: 1. Subjects with intrinsic skin disease or documented dermatologic conditions 2. Subjects with known bleeding disorders or on medications that may interfere with bleeding 3. Subjects currently taking immunosuppressive drugs, steroids, or anti-inflammatories 4. Subjects receiving injection of lipolytic drugs 5. Subjects with a history of keloid formation or hypertrophic scarring 6. Subjects with documented Type I or II Diabetes Mellitus. 7. Inability or unwillingness of the subject to complete the clinical protocol as described in the protocol and allow access to clinical records. 8. Subjects who are known to be pregnant at the time of enrollment or plan to become pregnant in the coming 30 days. 9. Subjects with documented active drug or alcohol abuse within the last 12 months prior to the study. 10. Subjects with systemic collagen disorders, such as Ehlers Danlos. 11. Subjects with known allergies to hyaluronic acid, silk, lidocaine, and/or Polyethylene Glycol.