No, the paint I use is not waterproof but my glitter tattoos are!

I will require a space about 4ft by 4ft to set up my kit and chair.

No, I do not require anything but an open space. I bring everything I need to set up. My kit has its own fold out legs so I do not require a table. 

Use a mild cleanser to remove the paint. Work the cleanser with a little bit of water in to the paint to gently lift it from skin. Using a warm wet DARK washcloth, gently wipe the paint from skin. Use make up remover or baby oil to remove any traces of colour that may remain. Removal instructions are also provided on the back of my business cards.