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First, a little background on all things UV rays and tanning beds. The sun emits three types of ultraviolet radiation: UVA, UVB, and UVC rays. UVA rays are what tan (and age) your skin.
A tanning bed emits UV radiation. To avoid exposure to UVB and UVA rays, or in seasons without strong sunshine, some people take alternative steps to appear with darkened skin. They may use sunless tanning (also known as self-tanners); stainers that are based on dihydroxyacetone (DHA); [52] or cosmetics such as bronzers.
Average UV at noon 1996-2002 (European Space Agency) The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn-producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public.
1960s advertisement for tanning lotion. Sunless tanning, also known as UV filled tanning, self tanning, spray tanning (when applied topically), or fake tanning, refers to the effect of a suntan without exposure to the Sun. Sunless tanning involves the use of oral agents (carotenids), or creams, lotions or sprays applied to the skin. [1]
TikTok’s latest harmful trend encourages people to chase high UV index readings to achieve a tan. Being outside for long periods of time when the UV index is high can put you at risk for skin ...
Horizontal low-pressure tanning bed. Indoor tanning involves using a device that emits ultraviolet radiation to produce a cosmetic tan. [a] Typically found in tanning salons, gyms, spas, hotels, and sporting facilities, and less often in private residences, the most common device is a horizontal tanning bed, also known as a sunbed or solarium.
UK and Ireland weather forecast for 4am, 5 February, 2023 (Met Office) Space photographer captures stunning images of green comet Thursday 2 February 2023 09:51 , Anthony Cuthbertson
One minimal erythemal dose of sunlight UV radiation provides the equivalent of about 20,000 IU of vitamin D2, taken as an oral supplement. [citation needed] If an adult's arms and legs are exposed to a half minimal erythemal UV radiation, it is the same as taking 3,000 IU of vitamin D 3 through an oral supplement. This exposure of 10–15 ...