The effectiveness of the sunscreen is becoming clearer to us. Every next day, we hear a new benefit of using sunscreen. In fact the sunscreen lotions or creams are no longer a cosmetic only. It a one of the essential parts of our daily skin protection and it has medical values too.
According to Dr Sarah Weitzul, assistant professor of dermatology at UT Southwestern Medical Center at Dallas, proper uses of sunscreen can protect the skin from the harmful ultra violet rays and thus skin cancer and premature aging can be prevented.
Dr Sarah Weitzul gives some tips which will help us to get the best result from a sunblock product:
* It is necessary to apply the sunscreen at least 30 minutes before stepping out in the sun so that the skin fully absorbs the lotion.
* Do not apply a thin layer for thin layer can not protect the skin properly.
* We often use sunscreen before going out for forget its re-application. A re-application of the sunscreen is needed after 3 to 4 hours because sweating, contact with clothes reduce its effectiveness. If you swim apply water resistant sunscreen and do not for the re application after the swimming.
* Before buying sunscreen check it label to make sure that it protects from both ultraviolet A (UVA) and ultraviolet B (UVB). These rays are responsible for the skin cancer. Go for those products which contains contain avobenzone (Parsol 1789), zinc oxide or titanium dioxide.
* If you are going out only for 15 minutes you can use the sunscreen with SPF [skin protection factor] 15 or higher. And if you are going to stay in the sun for a longer period of time you need to apply sunscreen with at least SPF 30.
* To protect you skin properly use everyday a broad-spectrum sunscreen [which protects from both UVA