Do not use a color remover. One of my female friends tried it and it made her hair VERY DRY and the result was horrible. The only thing I can recommend you to do is dye your hair in your natural color, let it grow and cut off the ends of it. I know it takes a long time, but your hair will be super healthy afterwards.
you can strip the colour from it using a colour remover (not a colour stripper containing peroxide) without damaging it but it generally ends up gingery so you'll have to dye over it with a box dye that matches your natural shade.
you can never go back to your natural hair colour (on hair thats been dyed not new growing hair) because permanents lift the cuticle and remove the original colour slightly as they dye making the new colour brighter which is why you end up with a gingery hue when using colour removers.