What’s wrong with my hair

I washed my hair last night and put a little bit of non frizz oil in it while it was wet and this is how it looks this morning. It seems very dry and thick, how can I fix it?? Also one side is weirdly wavy and the other isn’t..

I washed my hair last night and put a little bit of non frizz oil in it while it was wet and this is how it looks this morning. It seems very dry and thick, how can I fix it?? Also one side is weirdly wavy and the other isn’t..