Laser is equivalent to which of the following modalities?

Laser is equivalent to thermolysis because both modalities utilize heat to achieve their intended effects. In thermolysis, heat is generated through the application of radiofrequency energy or other means, which effectively disrupts hair follicles to prevent future hair growth. Similarly, laser treatments work by emitting concentrated light energy that is absorbed by the pigment in hair follicles, causing them to heat up and ultimately leading to their destruction.

This similarity in their mechanisms allows both laser and thermolysis to be effective in long-term hair removal by targeting the hair follicle with precise heat. While other methods such as cryotherapy, electrolysis, and ultrasound have different principles and effects, they do not rely on the same thermal destructive process as laser and thermolysis do. Understanding these distinctions is essential in recognizing the unique attributes and applications of laser and thermolysis in aesthetic practices.