I use TIGI "Dunb Blode" shampoo and conditioner every day along with a stonger softeining conditioner once or twice a week, and it works WONDERS. If you get the really big bottles, it's not as expensived as you would think either.
If you do get highlights, make sure to use more than 1 color to highlight, and don't go too far above your natural haircolor (esp before summer... they will get lighter cuz of the sun). And please stay away from the skunk look. It's prettier to have a more subtle style!
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