Do exist natural red hair,not orange,auburn or reddish brown?

I mean really red hair as the hair of Jean Grey in x-men movies(i know than Famke Janssen is not redhead).

Do exist natural red hair,not orange,auburn or reddish brown?

yes

Do exist natural red hair,not orange,auburn or reddish brown?

Many red heads are natural but dye it to make it look redder.

Do exist natural red hair,not orange,auburn or reddish brown?

Yes; I have tons of red-heads in my family (although I'm not one of them). Any number of cousins have had absolutely FLAMING red hair at birth - no dye there ;-)

Do exist natural red hair,not orange,auburn or reddish brown?

Guess nowp. I know the obvious hair colors - black, white, golden and grey.