What is the difference between uva and uvb sun rays

If you live where the sun is strong year-round, your exposure level and risk increases. You can easily reduce your likelihood of developing skin cancer by taking care to protect yourself against UV radiation.

UVB facts and risks. UVB penetrates and damages the outermost layers of your skin. Overexposure causes suntan, sunburn and, in severe cases, blistering. UVB intensity fluctuates. UVB rays can be filtered and do not penetrate glass.

UVA facts and risks. There is no such thing as a safe or healthy tan. UVA radiation is proven to contribute to the development of skin cancer. Early sunscreens only protected your skin from UVB rays, but once it was understood how dangerous UVA rays were, sunscreen manufacturers began adding ingredients to protect you from both UVB and UVA across this broader spectrum. Exposure causes genetic damage to cells on the innermost part of your top layer of skin, where most skin cancers occur.

The skin tries to prevent further damage by darkening, resulting in a tan. Over time, UVA also leads to premature aging and skin cancer. Prolonged and frequent sun exposure without the proper protection can result in an uncomfortable sunburn at best and significant skin damage at worst.

They are the most damaging to the skin, and both play a major role in skin cancer formation. We are exposed to large doses of UVA rays throughout our lives. They penetrate deeper into the skin than UVB rays, causing long-term skin damage and playing a greater role in premature skin aging i.

What is UV radiation? What is UVA radiation? What is UVB radiation? UVB radiation from the sun also can cause cataracts. How to protect yourself The best way to protect yourself from UV radiation is to stay out of the sun between 10 a.

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