Are you just feeling stressed out by your current role or do you want to move away from hairdressing altogether?
You probably need to talk it through with someone to work out:
1. How you're really feeling about your current job and would you be happier if a few changes were made?
2. Do you want to leave hairdressing completely or just a change of scene - new salon, go self employed.
3. Do you want to move into something in a related field such as teaching hairdressing, writing about it, become a product rep or something beauty/holistic perhaps?
4. Do you fancy a completely new challenge and feel ready to invest time/money into further training/studying?
Not sure if this helps but I read somewhere a few years ago, that graduates in the 21st century will probably have 4 different careers during their working life. Career changes not just changing jobs.
I don't think this just applies to University graduates though. I think it's quite common to want to try new experiences and take a few risks from time to time. It's what drives many of us. ;-)