of these two rays, which contribute differently to the tanning process.
Tanning takes place in the skins outermost layer, the epidermis. When exposed to UVB light,
melanocytes located within the epidermis produce melanin, which causes the skin to redden.
When exposed to UVA light, the melanin oxidizes and causes the skin to darken to a deep
Low-pressure beds are equipped with fluorescent type tubes, which emit high amounts of UVB
rays. High-pressure bulbs are much smaller in size and can be used to tan the face or the full
body. A unique filter system allows Ultrabronz beds to filter out most of the UVB rays, using just
enough to stimulate the melanin leaving the UVA rays to darken the skin.
The skinny on high-pressure
Tanning is actually the body’s natural defense mechanism for protecting against the sun’s rays.
Normally, the outer layer of skin exfoliates every 28 days but when exposed to high
concentrations of UVB rays; the body is forced to exfoliate prematurely every 5-10 days. This is
why low-pressure tanners must tan more frequently to keep the outer layer of their skin looking
Because high-pressure filters out most of the UVB rays, your skin is able to maintain normal
exfoliation, which in turn allows your skin to stay tan much longer!
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of the range of energy used in tanning.
to as a nanometer (nM). There are 1,000,000,000 in every 39 inches.
comprised of UVA and UVB rays, as well as visible and infrared light. UVB light stimulates the
tanning process. It is the most powerful form of UV light and is responsible for sunburn. It is vital
to have UVB to initiate the tanning process, but not enough to cause overexposure. UVA light is
responsible for the dark, golden color results. Visible light is the light you see in a rainbow, we
use the violet color to see the rays and assist in the tanning process. Finally, there is infrared
light, which is associated with heat and can cause discomfort while tanning.
responsible for the oxidizing in the tanning process.
responsible for stimulation of the tanning process.
heat although near infrared, which is (-700 – 1500nM), is similar to the soothing warmth of the
sun delivered early morning and late evening.
equator. UVB levels in the early morning are low as these wavelengths bounce of the earth’s
atmosphere, gradually increasing to a peak that can be as high as 10% by mid-day.
is only through this mixture of wavelengths right across the spectrum that we can control the
optimum tanning performance.
beds. The output of low-pressure beds tends to be rich in UVB and low in UVA.
have increased levels of UVA and lower levels of UVB. Higher levels of UVA allow the tan to last
longer and reduce the risk of UVB burning.
early morning to high UVB in the mid day sun. Low pressure tanning has the sunburn potential
of the midday sun and the sun tanning potential of the early morning sun. High pressure offers
the tanning potential of the mid-day sun and the burning potential of the early morning sun.
delivered by UVA, production of vitamin D, and the warmth of near Infrared. This combination
can only be found in Spectrum tanning.