I want to mix three dfferent red hair dyes with 20 peroxide developer will it damage my hair?

* Hair coloring tips

http://homebeautytips.blogspot.com/2006/...

* Hair Dyeing Tips

http://homebeautytips.blogspot.com/2006/...

I want to mix three dfferent red hair dyes with 20 peroxide developer will it damage my hair?

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