How to get semi-permenant colour out of hair?

Hey, as you can probably tell by my picture, I have pink streaks in blonde hair, I did this about a week ago and at first it looked great, however as it is just semi permenant some of it washes out everytime I wash my hair. But the colour has run some into the rest of my hair and now I'm more of a salmon / pink haze, rather than blonde & pink streaks haha. Is there anyway I can speed up the colour fading? Maybe certain shampoos / products can help run the colour quicker? Thanks in advance.