Which permanent hair reduction method uses light to penetrate and diminish or destroy hair bulbs?

The method that employs light to penetrate the hair follicle and effectively diminish or destroy hair bulbs is laser hair removal. This technique utilizes concentrated light beams that are absorbed by the pigment in the hair. The energy from the light is converted to heat, which then damages the hair follicle, inhibiting future hair growth.

Laser treatments are known for their precision, allowing for targeted destruction of hair while minimizing damage to the surrounding skin. This makes laser hair removal a popular choice for permanent hair reduction, as it can offer long-lasting results after a series of treatments.

Other methods listed, like blend, galvanic, and thermolysis, use different mechanisms for hair removal. The blend and galvanic methods are electrolysis techniques that use electrical currents to destroy hair follicles, while thermolysis employs radio frequency energy. These methods affect hair growth differently and are not dependent on light technology like laser hair removal.