A Study of Granexin® Gel for the Reduction of Scar Formation in Surgical Wounds Following Bilateral Anchor Incision Breast Surgery

Inclusion Criteria:

1. Female subjects aged 18 years and older
2. Female subjects of childbearing potential must have a negative urine or bloodpregnancy test at screening and baseline.
3. Female subjects of childbearing potential must agree to use ONE of the following birthcontrol methods throughout the study:

• abstinence
• condom with spermicide
• diaphragm with spermicide
• Hormonal contraceptive
• intra-uterine device Non-childbearing confirmed by prior documentation of at least one of the following:
• postmenopausal
• surgically sterilized

4. Subjects undergoing a breast surgery procedure with bilateral anchor incisions
5. Signed informed consent form

Exclusion Criteria:

1. Subjects with breast implants or history of breast implants
2. Subjects undergoing breast surgery requiring breast implants
3. Subjects requiring nipple grafting using any technique
4. Subjects with a history of infection in the past 6 months in the intended area ofincision
5. Subjects with breast tattoos in the intended area of the incision
6. Subjects with known skin sensitivity to Tegaderm™
7. Subjects with a history of keloids
8. Known conditions of collagen vascular diseases
9. Subjects with clinically significant medical conditions as determined by theInvestigator, which would impair wound healing including renal, hepatic, hematologic,neurologic or autoimmune disease. Examples include but are not limited to:
10. Renal insufficiency as an estimated GFR, which is < 30 mL/min/1.7m2
11. Abnormal blood biochemistry defined as 3 times that of the upper limit of thenormal range
12. Hepatic insufficiency defined as total bilirubin > 2 mg/dL or serum albumin < 25g/L
13. Hemoglobin < 9 g/dL
14. Hematocrit < 30%
15. Platelet count < 100,000 μL
16. Any history within the last 5 years or the presence of any active systemic cancer (with the exception of non-melanoma skin cancer)
17. Current treatment with systemic corticosteroids (>15 mg/day). Washout period is 30days prior to screening
18. Current treatment with biologic immunosuppressive agents or chemotherapeutic agents.Wash out period for short term immunosuppressive agents is 14 days prior to screening
19. Previous history of radiation therapy to the chest
20. Known inability to complete required study visits during study participation
21. A psychiatric condition (e.g., suicidal ideation), chronic alcohol consumption, ordrug abuse problem determined from the subject's medical history, which, in theopinion of the Investigator, may pose a threat to subject compliance
22. Use of any investigational drug or therapy within the 28 days prior to screening
23. History of previous breast surgeries in the area where the incisions are to be made
24. Currently pregnant, pregnant during the 6 months prior to screening, lactating, orbreastfeeding
25. Any other factor, which may, in the opinion of the Investigator, compromiseparticipation and follow-up in the study
26. Any areolar abnormalities that are deemed clinically significant by the Investigator