What are the reguations for opening a beauty/cosmetic salon?

Hej,

I am thinking to start a business in field of beauty service. My problem is that I don`t know what are the requlations for the place and the staff that is going to work in it. If you have any information I will be glad to hear it. Thank you so much and you can answer in danish. I am apologizing that I am asking in English.

With Love.

Joanna Atanassova