How does pigmentation typically respond to laser treatment?

The correct choice highlights the fundamental mechanism by which laser treatments work in addressing pigmentation. When laser energy is applied to the skin, it specifically targets the pigment particles, such as melanin, within the skin cells. The energy from the laser breaks down these pigment particles into smaller fragments.

Once the pigment is fragmented, the body’s natural healing process kicks in, allowing immune cells to recognize and absorb these smaller particles. This absorption process helps to lighten and reduce the appearance of pigmentation over time, leading to a clearer skin tone.

Through this process, the laser effectively treats various pigmentation issues, including sun spots, age spots, and melasma, emphasizing the importance of understanding how lasers interact with pigment at a biological level. The other options do not accurately reflect the physiological response to laser treatment of pigmentation. For instance, while some patients may experience sensitivity or temporary inflammation following treatment, these are not primary responses related to how pigmentation itself is specifically addressed.