How long does professional Hot pink hair dye stay in you hair if you get it done by a hairdresser?

IHow long does professional Hot pink hair dye stay in you hair if you get it done by a hairdresser?
I had my pink for about a month then it faded to red then to orange, i left it in for about three months though before it turned the ugly orange colorHow long does professional Hot pink hair dye stay in you hair if you get it done by a hairdresser?
I found that mine faded in a matter of a little over a week. I bought some do-it-yourself and kept touching it up every other week or so..until i finally gave up.