How well does ';John Frieda Go Blonder'; lightening shampoo & conditioner work for brunette's?

As you can see by my picture i'm i have pretty brown hair.


But in that picture it was wet so its a bit lighter then that but


not much! I was wondering if these products worked? Because


i would love lighter hair-you know something different! Any help?


Thanks!How well does ';John Frieda Go Blonder'; lightening shampoo %26amp; conditioner work for brunette's?
http://www.johnfrieda.com/products/index鈥?/a>