Treatment of Atrofic Striae With Percutaneous Collagen Induction Therapy Versus Fractional Nonablative Laser

Each part of the abdomen will be treated with a therapeutic modality. The ND-yap 1340-nm laser will be used in the following parameters: 90 mtz / cm2 nozzle, 90 mJ / mtz power, 2.5 Hz frequency, 3 ms pulse duration, 1 pass.

In the other segment of the abdomen, the dermaroller 2.5 mm will be applied, with ten to fifteen passes in the same direction and at least four crosses in the rolling areas.