UVA and UVB Protection

It's a well known fact that the sun's rays contain both harmful UVA and UVB light.

UVA and UVB refer to two different wavelengths of ultraviolet light. The dimension of UVA wavelength is approximately 400 to 320 nanometers; while UVB wavelength is approximately 320 to 290 nanometers. The dangers of UVB and UVA are determined by these numbers. For example, the smaller the number indicated; the shorter the wavelength, the greater the energy level of the light and the more skin damage it can cause.

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Scientists have found that UVA is responsible for causing skin ageing - such as wrinkles, fine lines, dry skin and dark colored age sports. Exposure to UVA rays also heightens the risk of malignant melanoma, the most serious form of skin cancer, by damaging the DNA of cells deep within the skin. On the other hand, UVB, considered the tanning ray, causes the skin to burn. In combination this duo is deadly to the skin.

Most sunscreens and sunblocks only filter out UVB rays effectively. Before you purchase any sun protection products, ensure that the label reads "board-spectrum". Only broad-spectrum sun protection is able to filter out UVA rays as well as UVB rays. In addition, to protect your body skin against UVA and UVB damage, you should always wear sunglasses, lip balm and a hat to protect your eyes, lips, hair and face from sun damage.

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