Wash out hair dye , advise ?

i would use herbashine by garnier with bamboo extract, i bought it in boots chemist for about �5. it lasts 6 - 8 weeks.. i used number 400 and it came out a bit dark but after about 3 washes it was lighter, and its so soft! my hair was so sliky and everyone noticed ! i abslutley LOVE it (: hope i helped , enjoy your holiday ! (: xxxxxxx