I have permanently coloured hair and highlights. The problem is that I find my hightlights end up going very brassy in the sun and I end up hating the way they look.

"It can also help refresh highlights as well as protect the rest of the hair from oxidizing." Brassy hair is when strands ...

Apply a heat protectant before styling Again, you’ll want to do ... your highlights done at a reputable stylist’s salon, you shouldn’t have to worry about brassy tones in your hair.

To help you make the most of this hair colour ... for vibrant blonde highlights. For blonde highlights, Collier recommends using a purple shampoo to counteract any brassy tones.

As you likely learnt in any school art class, purple is opposite yellow on the colour wheel. Simply put, this means the ...

"It neutralizes the brassy tones that occur when lightened hair oxidizes ... This post is brought to you by the Insider Picks team. We highlight products and services you might find interesting.