My hairdresser recommended that I try some fancy salon shampoo as it would help the colour last longer. So I bought the (very expensive) shampoo and conditioner, but I'm not really sure I can tell the difference. It's nice and everything, but I'm just not sure it's worth spending that much, when I can pick up my normal stuff in the supermarket for fraction of the price. Is it just marketing or does it really make a difference?
Apparently supermarket stuff has silicone though and it's bad for your hair.
What does everyone else use? Any recommendations for a good shampoo and conditioner for dyed hair?