Colorado Esthetician Written Practice Exam 2026 – Complete Test Prep

Rubin's Classification categorizes photo damage by the depth of skin changes or damage. This classification system helps estheticians understand the extent of photo damage a client may have experienced from factors like sun exposure. Evaluating hydration levels, assessing wrinkling, and oil production are important aspects to consider in skincare, but they are not specifically how Rubin's Classification categorizes photo damage.