Dilemma!

I thought this month instead of having to pay $80 plus every time to color my hair why not buy the color and do it myself at home? Smart right! Wrong. Especially when you are trying to lighten and or if your hair is multicolored. Dyed my hair at home with a friend and it pretty much turned out black!! ( will post photos below ) I was so annoyed ( as you can see in the photo ) I had put all this time and money into fixing my hair and lightening it just for a bad dye job to send it back to black!!!! Grrr. So I had heard this theory that head and shoulders shampoo can help strip out color? Well I am booked in to have my hair fixed once more next Thursday but I figure why not try and get some of the color out now! Before the appointment?! So I brought the standard 2 in 1 shampoo.. I haven't used a 2 in 1 since I was a child I cringed as I poured it into my hand and onto my head. Lathered up in the mirror and went and sat infront of the tv for 20 mins came back washed it out ( substantial color was coming out in the water ) so I repeated! This time I let it soak for 60 mins, stimulating the hair again every 15 mins or so, re lathered with more in the shower and washed out. Then after an extremely hard brush of my hair I dried it off with the hair dryer and the results are listed below! I think it's lifted the front quite a bit! I know diff lighting etc but it's better than nothing! So in conclusion I can confirm that head and shoulders helps strip out color. Over a long period of time Im sure it would do a great job! I have uploaded during and before and after photos below!