Grey won’t hold color

How long are you leaving the dye on your hair?  To get the best deposit for grey hair, you should use a 20 vol. peroxide, and leave the color to process for 45 mins. 

Also, don't pull the color through to the ends--only touch up your roots when redoing your color--, which just makes your hair dry and porous.  Porous, dry hair won't hold color long.  You may need to start using a demi along with a neutral protein filler to tone the midsection and ends of the hair. 

I know Clairol has grey busters; have you tried those yet?  88N is a light neutral blonde color.  You could try that.  See swatch below:

http://www.multibeauty.com/mc2.asp

You could also try blending your grey hair by adding some highlights and lowlights in your hair.

Highlights (Bleach these in, one to two shades lighter than your natural color--probably golden yellow and pale yellow) 

Lowlights (Single process color, one to two shades darker than your natural color--I'd stick with the grey busters--86N or 87N). 

Anyway, I hope this helps!

Rebekah

It's a product that is sold Sally Beauty Supply.  The bottles of MISS CLAIROL color are labeled as grey busters.  The Brand is MISS CLAIROL.  I imagine that the grey busters is in the color, although I am not sure what it is, but have seen others have excellent results using this product. 

Use the Clairols Grey Busters to retouch your grey roots as the new growth comes in.  Remember that pulling color through your hair from the roots to the ends to "refresh" the color only dries your hair out and makes it very porous and difficult to hold color.   

To refresh the midsection of your hair and the ends of your hair, use a demi in a complimentary shade (clairol compliments).  You also may want to apply a neutral protein filler, prior to coloring the midsection and ends, to help the color stay in the ends better. 

Hope this helps!

Rebekah

Good luck Sue!  I hope it works for you.  If you have any more questions, please post again. 

Rebekah