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How does sunscreen protect skin?

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Ankur Sharma

on 25 April 2010

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Transcript of How does sunscreen protect skin?

How does sunscreen protect skin from the sun? Sunscreen Protects Skin
What is sunscreen?
What does it do? Sunscreen is a lotion, spray or gel that absorbs or reflects some of the sun's ultraviolet radiation of the skin exposed to sunlight and protect against sunburns. According to dermatologists what sunscreen really does is that it only helps a person stay in sun, longer period of time than ususal before seeing the redness or sunburn.
Two types of ultraviolet light! There are two types of ultraviolet lights, UVA and UVB. UVA or ultraviolet A rays can penetrate through glass and cause tanning and potential damage to the deep layers of the skin. UVB or ultraviolet B rays are responsible for causing a sunburn.

Sunscreen - Protection or Poison? The regular use of sunscreen might provide some protection from sunburn but it may also have quite serious health risks - for ourselves and the environment.
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