Which skin analysis method typically involves the use of a magnifying lamp?

The method that typically involves the use of a magnifying lamp is visual inspection. In this approach, the magnifying lamp allows estheticians or skin care professionals to closely examine the skin's condition, texture, and any abnormalities. The enhanced visibility provided by the magnifying lamp helps in identifying issues such as clogged pores, fine lines, pigmentation, and other skin concerns that may not be easily visible to the naked eye.

While other methods listed pertain to different aspects of skin treatment or diagnosis, they do not commonly utilize a magnifying lamp in their standard procedures. For instance, microdermabrasion is a physical exfoliation treatment and does not require close inspection like visual analysis does. Biopsies involve taking a sample of tissue for laboratory analysis and are not part of a straightforward skin examination. Phototherapy refers to the treatment of certain skin conditions using light and does not rely on a magnifying lamp either. Thus, visual inspection stands out as the method that integrates the use of a magnifying lamp to assess the skin thoroughly.