What is the primary characteristic of Acne Vulgaris lesions?

Acne Vulgaris is characterized by red, elevated lesions that can become pustular. This specific characteristic is due to the inflammation and blockage of hair follicles by excess sebum and dead skin cells. The lesions often present as papules or pustules, which means they can be tender, inflamed, and filled with pus, making option C the most accurate description of Acne Vulgaris lesions.

Understanding the nature of these lesions is crucial for estheticians and skincare professionals, as it informs the appropriate treatments and interventions. The other options do not accurately represent the typical appearance and characteristics of Acne Vulgaris lesions. For instance, flat and dark lesions pertain more to other skin conditions. Severe pain and itching are not characteristic of Acne Vulgaris specifically, and while acne can occur in the T-zone, it is not limited to this area, appearing instead on various parts of the body such as the back and shoulders.