Wear Sunscreen or else

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Premature Aging, Skin Cancer... What’s The Problem?
Skin cancer is going up, even while sunscreen use has been increasing. Some scientists believe one reason is the sunscreens stop UV-B rays from burning, so people stay in the sun longer, thinking they are protected. However, this leads to more UV-A exposure and long-term damage, especially in the areas of “photo aging” and skin cancer.

While both UV-A and UV-B rays are likely to contribute to skin cancer and aging, research indicates the UV-A rays may be the greater source of damage. By penetrating to the dermis/epidermis junction where skin cells are formed, the UV-A rays appear to damage chromosomes during cell division and trigger cancerous cell production. In addition, the UV-A rays harden the collagen fibers that support the skin. These fibers then break, contributing to wrinkles and sagging. One thing is for sure you should wear sunscreen!