How many hours of sunbathing is a 15 minute tan?
It is difficult to make a direct comparison between the sun and indoor tanning equipment. As each type of indoor tanning lamp and equipment differ in UVA and UVB output and energy emitted, the sun’s strength is dependent on several factors. The time, day, season, the latitude, and cloud cover must all be considered. Consequently, there is no formula for relating indoor tanning exposure times to outdoor exposure times. It is far more important to be aware of the maximum exposure-time of the tanning unit you are using and adjust tan-time down when using stronger units.
