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Which Strength of Developer Should I use When Using Hair Color? The difference is the number of levels that you are trying to lift, and this will determine developer choice (and also whether you need to pre-lighten with bleach or not).ģ. Always check your client's hair color level and compare it to the level you are trying to achieve.The higher the number is the stronger the developer is and it therefore more lightens hair. The strength of developer is expressed in percentage (%) or units of volume (Vol.).And very crucially, whether you preserve the quality of your or your client's hair.The right choice of developer strength can determine whether you lift the hair enough or not, and whether you achieve a high quality "3D" color result with correct vibrancy and intensity.If you want to get the best result, it is absolutely important that you choose the right strength of developer.How Should I Choose the Right Strength of Developer? Which is why hair oftentimes feels softer stronger and thicker after a coloring - provided of course, that it has been done right. Alters the internal body of the hair fiber permanently.Softens coarse hair and adds body to fine hair.In addition to the above, the developer + color combination also does the following: You will only need to worry about regrowth.Once installed correctly thanks to developer, the color is essentially permanent.Once installed, the color molecules swell, develop and expand and ultimately become a permanent part of the hair shaft.New color pigments get delivered and get inserted into the cortex of the hair.The natural color molecules (the hair melanin, in other words) and also molecules from previous color applications get lifted out.The hair cuticle gets opened so that the color pigments can penetrate it.Thanks to the developer and color combination, the following three things take place: It also combines with the permanent hair color or bleach and helps activate it.
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The hydrogen peroxide opens the hair cuticle. It is an essential element in any coloration involving permanent hair color and bleaching process. What Is Developer & What Exactly Does it Do?ĭeveloper or Activator is a essentially hydrogen peroxide in a cream base.