How long does it take for blue-violet shampoo and conditioner to work?

I just bought Nak Blonde Plus Shampoo and the Blonde Conditioner. It smells like watermelon! Bonus!
How long will it take to reduce the yellowy, brassiness in my hair?

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  1. You should see a difference after the first use, but not a major one. Maybe after about 4-6 weeks you will see a big change. Just for fun, to figure out how well it works, you should do a picture documentary! :)

  2. A couple of times of use. But just to add, Toner shampoo’s is a temporary fix, You can’t use it everyday because you will start to get a blue or purple hue to your hair. . . Ever see those little old ladys with blue or purple hair? Yeah. . That’s the reason.

  3. i think 1 month not less

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