Medications, food additives, and other products that contain photo reactive agents are called _____________.

The correct term for medications, food additives, and other products that contain photo reactive agents is "photosensitizing." This classification refers to substances that make the skin more sensitive to sunlight, leading to an enhanced reaction to ultraviolet (UV) light. When these agents are present, exposure to UV rays can lead to increased risk of sunburn or other skin reactions, which is particularly significant in the context of tanning.

While "photosensitive" may seem like a logical guess, it does not specifically refer to substances that actively increase sensitivity in the way that "photosensitizing" does. "Photoreactive" typically describes the response of certain materials to light, but it does not specifically denote the increase in sensitivity as a result of exposure. "Phototoxic" refers to a type of reaction that can occur in response to light exposure but does not accurately encompass the broader category of materials that induce increased sensitivity.

Understanding these distinctions is vital for anyone working in environments where UV exposure is a factor, as it directly impacts how clients are advised and treated in terms of tanning practices and product usage.