Any brand cream developer can be used with a color as long as it is mixed according to the manufacturer's directions and it is the appropriate volume.
Redken Color Gels developer is formulated specifically for Gels, but using any developer will still work.
Yes, the appropriate volume developer must be mixed with any Matrix color.
Which developer you use will depend on the color you want to achieve. A 20 developer will give you a darker color than a 30 or 40 developer.
Making an at-home developer to be used with Redken Color Gels is not possible. You can however, use any brand developer though.
This is difficult to answer without seeing your hair and knowing its texture and whether or not there's any presence of artificial color. With that said and for the most part.... yes, 30 volume would be better to use than 20 volume for a blonde shade.
Adding Ardell Unred to 30 V. developer will not have any affect on the hair. Unred is made to be mixed with both hair color and developer, not developer alone.
No. It is not recommended to use hair dye without the developer or without it's original content. However if you were to use a temporary rinse then a developer isn't needed. If you are using any dyes that are not already ready to go (previously mixed by the manufacturer) then you will need to follow those instructions and mix your developer with the color.
No, it is not recommended to use Redken EQ color gloss developer with other demi-permanent colors. Each brand's developer is specifically formulated to work with its own color line, ensuring optimal results and hair health. Mixing different products can lead to unpredictable color outcomes and may compromise the integrity of the hair. Always use the developer that is designed for your specific color brand.
Nothing will happen. The color needs to be mixed with the developer/activatorto make any sort of change to the hair structure.
While it's best to mix Redken Color Fusion with their Pro-Oxide Cream Developer, it will be fine to mix a Sally brand instead. Color Fusion is 1:1 Ratio and Double Fusion is 1:2 Ratio.
No, it does not have to be in a plastic bowl. You can use a non-metallic bowl when mixing matrix hair color with matrix solite cream developer to avoid any chemical reaction that may alter the color or affect the mixture's performance.