Well it also depends on your skin tone as some people don't suit different types of colour in their hair as it may clash with the tone of their skin. In saying that though it may look fine, but most red heads tend to have pale skin tones - I hope this helps.
My best girlfriend has hazel eyes and not-exactly-but-kinda pale skin and when she used to dye her hair red she looked like a mermaid. In the beautiful exotic what's HER name way, not the wet looking scaly fish-smell way.
Hazel eyes and red hair would look smashing! Most hair colors have red hight lights of some kind,so it should look natural. I say do it,just remember,if you dont like it,red hair unfortunately fades faster then any other hair color.
Remember it is also the most difficult colour to dye over.
I have natrually strawberry blonde hair, skin so pale it is almost seethru and bright baby blue eyes. It is all down to skin tone really...my hair worked brilliant blonde but it would like crap brown.
If you are initially unsure then co have a consultation at a salon, and maybe just put some highlights through before going the whole hog.
For a more natrual approach please also consider the option of henna from Lush, as it is much better for your hair than synthetic dyes.
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