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. 2025 Mar 25;24(4):e70134. doi: 10.1111/jocd.70134

FIGURE 1.

FIGURE 1

Ultrasound parallel beam thermal effect. Schematic representation of the synchronous ultrasound parallel beam (SUPERB) biophysical effect during its application to human skin. Atrophic acne scar types [5] are indicated in the figure. The high‐intensity, high‐frequency ultrasound parallel beams generated by multiple synchronized transducers penetrate to the mid‐dermis at depths of 0.5–2 mm and consequently create multiple unique cylindrical volumetric thermal zones. The temperature within the thermal zone varies from 60°C to 70°C leading to partial denaturation of collagen and elastin. (Illustration was created by SofWave Medical Ltd. using Adobe Illustrator software V28.6).