FDA Advisory No. 2014-030
Consumer Information on Over Exposure Under the Sun and the Use of Sunscreen Products
Over exposure to ultraviolet (UV) rays from the sun may lead to skin cancer. There are two harmful UV rays. The UV-A rays which easily pass through glass windows and cause wrinkles and pre-mature aging of the skin, and the UV-B rays which are blocked by glass windows and cause sunburn. Water reflects the damaging rays of the sun and increases the chance of sunburn.
There are practical ways to avoid over exposure from harmful sun rays. Protective clothing may be worn, such as the use of long-sleeved shirt, pants, a hat or sunglasses. The sun's rays are most intense between 10 am and 3 pm. In order to protect the skin from over exposure to damaging UV rays, always seek shade or use an umbrella.
If staying under the sun is unavoidable, use sunscreen protection, which comes in different preparation, like lotion, cream, gel, or ointment, are available. Creams are best for the face and dry skin. Gels are good for hairy areas of the skin. Water resistant sunscreen products are best when going swimming or when sweating profusely. Regardless of which sunscreen preparation you choose, be sure to apply it generously to achieve full UV ray protection.Read more...