How Does Sun Block Work
If you are resistant to the idea that you should apply sun screen every time you are out in the sun for long amounts of time due to the fact that you do not like the greasy feel or smell of sun block it may be informative to learn just how does sun block work. This is due to the fact that the answer to how does sun block work also helps to explain the importance of the product and helps put it into perspective why it is so important to make sure that you always wear it.
To start off answering the question how does sun block work it is important to understand that the skin is actually the largest organ of the body. As such, if it is not properly protected the skin can age faster and can develop cancer just like any other organ. Obviously, both of these scenarios are extremely unwelcome to most people, and the bad news is that sun damage continues to accumulate causing you troubles for years to come. This is why it is important to understand how does sun block work so that you can prevent damage from a young age as every sunburn is said to double the risk of suffering from skin cancer down the road.
Sun block works as a screen or a filter that will help to prevent the ultraviolet rays of the sun from damaging our skin. By definition, all types of sun screens have some type of active ingredients that are able to reflect, scatter, or absorb UV rays that would otherwise be able to penetrate through the skin causing sunburn to develop. Many natural sun screens use zinc oxide to help reflect the harmful rays away from the skin.
After sunburn occurs no sun block product is going to be able to reduce the product, therefore, it is important that you apply sun screen before you head out into the sun and then continue to reapply it on a regular basis throughout the day. Depending on the product, you may need to reapply it every two to four hours. This is also dependent on whether you are active while outdoors and if water is involved in which case you may need to reapply the sun block more frequently in order to protect yourself from the harmful UV rays.