Chemistry Hits The Beach

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skin cancer. Sunscreens have evolved a goodly amount over the years. Christopher Columbus noticed in 1492 that the natives of Hispaniola would protect themselves with red paint, as to avoid sun damage. The ancient Greeks, who trained for the Olympics in the nude would rub themselves with a mixture of sand and oil, which provided an opaque protection from the sun, and were sweat resistant. These notions resemble those of earlier modern day technologies. The minerals most often used in conjunction are either oxide of zinc of titanium. These are the sunscreens that graced the noses of every red suited lifeguard in the 50s.
Today's modern world, demands an absorbing lotion, one that protects the skin, but avoids the look of being painted like a clown. A notion so simple as a transparent, UV ray blocking or absorbing protection, isn't quite as simple as first suspected. Firstly we must understand which compound will do this best, and to understand that, we must know what it is protecting ...

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