Which statement best describes the difference between natural tanning and artificial tanning?

The statement that natural tanning occurs from sun exposure, while artificial tanning is achieved using tanning beds or spray tans accurately captures the fundamental differences between the two methods of tanning.

Natural tanning arises when the skin is exposed to ultraviolet (UV) rays from the sun, which triggers the production of melanin, the pigment responsible for skin color. This process is a biological response that occurs when skin is directly subjected to sunlight. Conversely, artificial tanning refers to processes that do not rely on direct ultraviolet sunlight. Instead, it uses various products such as tanning beds, which emit controlled UV light, or spray tans, which utilize dihydroxyacetone (DHA) to create a tanned appearance without UV exposure.

This distinction is significant as it highlights the mechanism of action for both methods and their sources. The other options do not accurately reflect the relationships between natural and artificial tanning or present misconceptions about safety and exposure. Understanding this difference is essential for anyone in the tanning industry, as it informs safety practices, client advice, and the selection of tanning methods.