RLT uses photobiomodulation to stimulate cellular activity through specific wavelengths of red and near-infrared light. When applied to areas with stored fat, the light penetrates deep into the skin and triggers the fat cells (adipocytes) to temporarily open their cell membranes. This allows stored fatty acids, glycerol, and water to be released into the lymphatic system, where they are naturally metabolized by the body.

In addition, RLT enhances mitochondrial activity, boosting ATP production, which can increase the body's overall energy expenditure. It also improves circulation and supports hormonal balance, both of which are important for sustainable weight management.