Wanting to go from 6.4 copper to 7.4 copper with a shine, will a %6 lift it enough or should I go for a 9%? Also I'm blonde rooted should I add some base 7 to the mix tone it down on roots and use 3%?
Wanting to go from 6.4 copper to 7.4 copper with a shine, will a %6 lift it enough or should I go for a 9%? Also I'm blonde rooted should I add some base 7 to the mix tone it down on roots and use 3%?
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