Many brands of sunscreens are available, containing a variety of ingredients. The active ingredients work by absorbing, reflecting, or scattering some or all of the sun's rays. Most sunscreen products contain combinations of ingredients.
The U.S. Food and Drug Administration requires sunscreen products to carry a sun protection factor (SPF) rating on their labels. This number tells how well the sunscreen protects against burning. The higher the number, the longer a person can stay in the sun without burning.
Sunscreen products are sold as lotions, creams, gels, oils, sprays, sticks, and lip balms, and can be bought without a physician's prescription.
If you are going to be swimming or exerting yourself it is best to get a waterproof or water resistant Sunscreen and apply it more often. Remember to hydrate too. Hotter days are approaching fast and we need to make sure our bodies are prepared and cared for.
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http://www.healthprism.com/
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