How to keep dyed hair longer? (reds blues and etc.)?

I have recently dyed my hair dark red. I am using Herbal Esscences 'Ignite my fire' colour keeper. The dye is 'mahogany' shad...

What are all the colors I can get from mixing red and blue? And possibly some silver? (its for a hair streaking thing =] )

Hey soo would a red brown auburnish hair color clash badly with a light blue dress?

how do you take red highlights out of your hair

I have black hair and plan to highlight it blue or red. But how dark/light of blue or red should I get?

Is there a product out there (Canada) that can make my hair dye last longer? Like a spray or anything?

I love ashlee simpsons old red hair do you think that with my skin color and face I could pull it off?

I dyed my hair red a couple of months ago and before I dyed it it was a light brown color and now you can see the brown roots...

I had light blonde hair and I decided to dye it red I used xl live passion red hair dye But its faded like after a week :/ It...

Whats your opinion on red hair? Like an intense red x