Summary: Sun creams are very helpful if you want to avoid damage of your skin. There are two types of sun creams, chemical and physical. Chemical sun creams offer protection against UV-A and UV-B rays.
Controlling cowlicks Go for a thicker bang or a longer bang to help control your cowlick and weigh it down. Once you wash your hair, blow dry your bangs immediately, or re-wet them before you blow dry. http://www.hairandmakeupbysteph.blogspot.com/2012/02/controling-your-cowlicks.html
How to style bangs with cowlicks -- for the day when I am courageous enough to re-enter the world of fringe ... one I left behind 10 years ago, due to frustration of a perpetually raging cowlick war. :)