What common application of microcurrent includes the treatment of which condition?

Microcurrent therapy is frequently utilized for its ability to stimulate and facilitate muscle tissue repair and nerve function, making it particularly effective in treating conditions like Bell's palsy. This condition is characterized by sudden, temporary weakness or paralysis of the muscles on one side of the face, often due to nerve inflammation or damage. Microcurrent therapy works by delivering low-level electrical currents to stimulate facial muscles and enhance cellular function, promoting healing and recovery in those affected by Bell’s palsy.

In contrast, while microcurrent can offer benefits for skin rejuvenation and overall appearance, its primary application is not in treating skin pigmentation, acne scars, or sun damage, as these conditions typically require different modalities for effective treatment. Therefore, Bell's palsy stands out as the most relevant condition treated with microcurrent due to its specific action on nerve and muscle function.