Figure 6. (A) This 43-year-old woman presented with 19-year-old, pregnancy-related, visible striae alba across her lower abdomen and hips. This patient had a Fitzpatrick IV skin type. (B) Three months after the last of three treatments with the 10-mm tip of the 1540-nm erbium:glass laser at 40 mJ/µb and a 15-ms pulse width, the patient demonstrated compelling improvements in both pigment and texture. From: Fractional Nonablative 1540-nm Laser Treatment of Striae Distensae in Fitzpatrick Skin Types II to IV: Clinical and Histological Results Aesthet Surg J. 2011;31(4):411-419. doi:10.1177/1090820X11402493 Aesthet Surg J | © 2011 The American Society for Aesthetic Plastic Surgery, Inc. 1