Hey can someone help me understand wella peroxide’s please..
I totally get using bleach and peroxide’s
but when doing a full head colour I don’t get the difference between 1.9%, 3%, 4% (I know 6% covers grey with KP
PLEASE HELPPPP :)
Hi All,
I am hoping for some help from you guys.
As a 50 something year old hairdresser, i can remember using very high peroxides with bleach ,even on a couple of occasions,60vol for red hair
Very different now as i tend to use 3% or 6 % only.
I am currently doing some research and would like to...
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