Efficacy and Safety of Polylevolactic Acid Injection Combined With 1565nm Non-ablative Fractional Laser in the Treatment of Striae Distensae

Exclusion Criteria

• •1. Scar constitution;
• •2. Acute or chronic skin infections (including bacteria, viruses, and fungi) exist near the treatment area;
• •3. Those who are allergic to any component of the product;
• •4. Those who have been injected with anticoagulant drugs;
• •5. Those who have used other drugs, other substances, and other implant agents;
• •6. Patients with severe primary and psychiatric disorders such as heart, brain, liver, kidney, hematopoietic system, endocrine system, etc;
• •7. History of peripheral vascular disease, long-term alcoholism, diabetes, immunosuppression, disorder, drug abuse, etc;
• •8. Pregnant and lactating women;
• •9. Those who are critically ill and difficult to accurately evaluate the effectiveness and safety of the product.