TIGI PRO Radiant Colour Shampoo

I love this shampoo (and matching conditioner) but don't count on it to help keep my color from fading. I have fine hair, tons of it and it's prone to dryness, damage and frizz. I first tried this...

After spending a small fortune on colouring my hair for the fall season, I thought that I would try a colour friendly shampoo to see if they make any difference in comparison to regular...