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Low Ammonia Content Hair Color - Matrix SoColor Power Cools
I dyed my hair with shade 6a (half a pack) and 6 av (full). At first, when I washed it off, I thought, "Wow, finally the dye covered my redness!" and the roots were well-colored without any orange tint. But after a month, or maybe three weeks, the color completely washed out and a red stripe appeared by the roots. So overall, I liked the dye, but to maintain a cool tone, I will have to tone it frequently. The picture on the left is before, and on the right is after.
4AA + 3% oxidant at the root resulted in a beautiful cool brown shade, and at the length, it achieved a level 4 with a hint of red undertones - unfortunately, it did not completely eliminate the unwanted red. I am unsure if I will repurchase it.
I really liked this hair dye. I dyed my hair in a dark brown shade by mixing colors 4AA and 6AA. The result is a beautiful cool brown with an ashy undertone.