What type of hair is typically most effectively treated with laser hair removal?

Laser hair removal primarily targets the pigment in hair, making dark, coarse hair the most effectively treated type. The laser emits light that is absorbed by the melanin in the hair shaft, which helps to disable the hair follicle's ability to grow hair. Dark, coarse hair provides a greater contrast against lighter skin tones, enhancing the laser's effectiveness. The thicker and darker the hair, the more pigment it contains, which translates to better absorption of the laser energy, leading to more successful hair removal outcomes.

In contrast, fine hair typically has less pigment, making it harder for the laser to effectively treat, while light-colored hair, which contains less melanin, doesn't absorb the laser's energy as effectively as dark hair does. Gray hair, which is devoid of pigment, cannot be treated effectively with laser technology since there is no melanin for the laser to target. Hence, dark, coarse hair remains the optimal choice for laser hair removal due to its prominent pigmentation and density.