With ammoniated systems, lifting the hair multiple levels will usually lead to brassiness. Since this application can be performed without harsh, more damaging ammonia, the system is able to keep the overall lifting process more balanced and controlled. When formulated correctly, it should not be necessary for you to cool and/or tone hair as the lift will be consistent and natural. The presence and “burn” of ammonia in the course of lifting the hair is reacting or “processing” in part by burning up some of the present alkali of the hair. Since this system is free of ammonia, that reduction of alkali is not taking place so that about 70% of the alkali level present before the process is preserved and left to prevent the brassiness while keeping the hair structure more balanced.
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