chemistry hits the beach

In our society it's a given that suntans look attractive, and it's also understoud that they can be harmful, and downright unhealthy. So what does this mean? This means that there is a multi-million dollar a year industry that researches and manufactures UV absorbing and blocking lotions that are designed to prevent skin damage from tanning and burning. It is a prime example of the use of chemistry to improve the quality of life for …

…to burn if not wearing sunscreen". This means that a compound with an SPF 45 will allow you to stay in the sun 45 times longer than if it wasn't worn. Any SPF above 15 is considered a sunscreen. Lastly it must be said that no tan is a healthy tan, everyone should be cautious and even if you don't believe that you "burn" you should still protect yourself from the damaging UV rays emitted from our sun.