Which of the following is NOT a characteristic of healthy skin?

Healthy skin is typically characterized by several key features that contribute to its overall appearance and functionality. Among these characteristics, healthy skin often feels slightly moist, indicating proper hydration and oil balance. It should also have a soft and smooth texture, reflecting the presence of natural oils and effective cell turnover processes. Additionally, healthy skin maintains a somewhat acidic pH, usually around 4.5 to 5.5, which helps protect against harmful bacteria and maintains the skin's natural barrier.

In contrast, a rough texture is not indicative of healthy skin. A rough texture can arise from factors such as environmental damage, lack of moisture, or skin conditions, which can detract from the skin’s overall appearance and health. Thus, the characteristic of having a rough texture stands out as not aligning with what is considered healthy skin. Recognizing the qualities of healthy skin can greatly enhance a wax technician's ability to assess client skin before performing services.