Executive International Business Question:

Never say ,none'. If you're applying for a job in a field totally unknown to you, think of any experience you've gained in learning new skills. Try to look for similarities between your previous jobs and the prospect one and come up with some examples of how you adjusted to the new situation, for example:

I've never worked in cosmetics before, but in my previous job I've learned a lot about sales and marketing and I'm confident I'll be quick to learn the ropes of your industry very quickly.