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UPF (Ultraviolet Protection Factor) and SPF (Sun Protection Factor) are both important measures of sun protection, but they serve different purposes. UPF is used to measure the protection provided by clothing, while SPF is used to measure the protection provided by sunscreen. Both are important for protecting your skin from the sun's harmful rays, so it is recommended to use both UPF-rated clothing and sunscreen with a high SPF for optimal protection.

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4mo ago

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What substance in the skin helps prevent uv radiation?

Melanin is the substance in the skin that helps prevent UV radiation damage by absorbing and scattering the UV rays. It acts as a natural sunscreen, protecting the skin from harmful effects like sunburn and skin cancer.


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The harmful sun rays are called ultraviolet (UV) rays. UV rays can cause damage to the skin, including sunburn, premature aging, and an increased risk of skin cancer. It is important to protect the skin from UV rays by using sunscreen and seeking shade.


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UV coating for windows is highly effective in protecting against harmful UV rays and preserving the longevity of the glass. It helps to reduce UV radiation that can cause damage to skin, furniture, and other items inside the building. Additionally, it can help prevent fading and deterioration of the glass over time.


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