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I've tried it before, and I'll give you my opinion. After deciding to embrace my natural hair, I am now completely against putting chemicals in my hair. If you're insisting on a keratin treatment both ways though, then GK Hair Keratin treatment is an ideal choice. It leaves the hair with minimum damage, looking shiny, and absolutely soft! A word of advice though, don't use it if your hair is newly colored, wait a few weeks because it changes the color of your dyed hair. If you decide to go with it, let me know how it turns out!
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