What Is the Difference between Sun Block and Sunscreen?

Answer

Sun block is a mirrored shield that prevents sunburn by filtering out the sun's ultraviolet rays, whereas sunscreen is a screen that protect against the cream applied to the skin to prevent sunburn.
1 Additional Answer
Sunscreen is a preparation applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation) whilst sunblock is a preparation applied to the skin to prevent sunburn (as by physically blocking out ultraviolet radiation)
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Sunscreen absorbs rather than reflects ultraviolet (UV) radiation. The two new sunscreens: Anthelios SX and Helioplex provide longer-lasting protection against ...
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