I don't know if you can buy the brand Solfine in the US. You can in Canada. Basically it's a color remover/stripper, much like Oops.
OI bought it for 16$. My hair was colored (at home and salon)...
About reviewer (330 reviews)
Age25-29
SkinCombination, Medium, Warm
HairBrunette, Wavy, Fine
EyesGreen