How often do you wash the unit? The less washing the better.

What kind of shampoo/conditioner do you use? They should be both be color safe and sulfate-free.

How much time do you spend in the sun? Do you use any sort of products that contain sunscreen? It can help if you spend any time in the sun.

I wear a similar color (#17...a little lighter). You are a #6 or 7ash?? I don't have those problems at all. I'm guessing that there is something wrong. Could be the hair you got, but it could also be something in your routine. Need more info....