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The use of sunscreens is advocated to prevent sun damage, but most formulations contain synthetic UV radiation filters that can make their way in to water systems. Many of these are not ecocompatible and may harm fragile marine life including coral, fish and microorganisms. Now a new study has found a compound found in seaweed could protect human skin from the damaging impact of the sun without causing harm to marine ecosystems. [Source: King's College London]
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