Which tanning method requires more attention to achieve an even tan?

Sunbathing requires more attention to achieve an even tan primarily due to the nature of how the skin absorbs UV rays from the sun. When sunbathing, individuals must consistently change their position to ensure that all parts of the body receive equal exposure to sunlight. Variations in skin type, angle of the sun, and the time spent in certain positions can lead to uneven tanning, causing blotches or streaks.

Additionally, outdoor conditions such as wind or clouds can impact how evenly a tan develops. Factors like applying sunscreen unevenly can also contribute to an inconsistent tan. This is unlike the other methods, like spray tanning or self-tanning lotions, which are designed to provide a more controlled application and can be formulated to help even out the skin tone. Tanning beds, while requiring some attention to exposure time, tend to provide a more uniform tan when used correctly because the light is distributed evenly across the skin. Therefore, the dynamic nature of sunbathing makes it the method that demands greater care and focus to achieve an even tan.