Simple Facts

Skin Is In!

Your skin is the largest organ of your body and it performs many functions. That’s why the condition of your skin is so important for good health and essential for a great tan.

Tanning is the body’s natural response to ultraviolet light exposure. One benefit of indoor tanning is the controlled exposure that enables your body to develop its maximum potential for a natural sunscreen. This is of great importance, because overexposure, meaning outdoor sun, causes sunburn.

The following information will give you a basic idea of how the tanning process works:

Your skin is divided into 3 layers:

  • Epidermis
  • Dermis
  • Subcutaneous

Out of the 3 layers of your skin, we’re going to concentrate on the epidermis, because that’s where your tan is produced. Despite urban myth, ultraviolet light can’t penetrate any deeper than the epidermis.

There are three main types of cells in the epidermis:

  • Basal Cells
  • Keratinocytes
  • Melanocytes


Melanocytes are pigment cells that help the skin tan. Melanocytes use an amino acid called tyrosine to produce dark brown granules called melanosomes. These melanosomes contain melanin, a protein pigment that performs the very specific body function of protecting skin from overexposure to ultraviolet light.

Now let’s talk sunlight! Sunlight is composed of three rays:

  • UVA
  • UVB
  • UVC

We won’t focus on the UVC because this ray doesn’t penetrate through the Earth’s ozone layer. UVA is the long ray that penetrates the skin more deeply than UVB. UVB is the tightly coiled ray which doesn’t penetrate the skin as deep but is more intense than UVA. Finally, we put all these together with the 3 things you need in order to produce a tan:

  • UVB
  • UVA
  • Oxygen

Here’s how it works: UVB is absorbed into the epidermis, shines on a melanocyte, wakes it up, and stimulates it into activity. The melanocyte then produces melanosomes which contain melanin, and distributes them them evenly throughout the lowest layer of the epidermis.

At the same time UVA is also being absorbed by the skin, only it penetrates into the lowest layer of the epidermis where the melanin has been distributed and oxidizes it (turns it brown) into what we call a tan. Hence, the need for oxygen!

Cells in the epidermis are constantly reproducing and pushing older cells upward where they are sloughed off in about one month. As your skin replaces its cells, the cells laden with melanin are removed. So the tanning process must continue with the new cells.

All of the tanning equipment at Fun Tan generates a balanced amount of UVA and UVB, giving you all of the essential ingredients to produce and maintain your best tan ever! It is easy to see why people prefer to use Fun Tan’s tanning beds. Not only does tanning at Fun Tan save you time, it helps ensure properly administered doses of ultraviolet light!


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