Yaz
"I used Yaz for about a year and it was obviously effective for preventing pregnancy and it did clear up my skin but for me there were a few negative side effects.  It took a while for me to realize it was the Yaz causing the problems.  I suddenly had very brittle dry hair that would break off and it just didn't seem to grow very much.  My cuticles became very dry which caused my nails to become more apt to breakage.  My eyes were very dry and I had to use eye drops several times a day.  I have been off of Yaz for about 3 weeks and already my hair is so much healthier and seems to be growing back in and my nails have not broken in a few weeks.  I have gone from using eye drops a few times a day to a few times a week.  The down side of being off of Yaz is my skin has broken out more but I can deal with that better than all the other symptoms."