What's the difference between 20 versus 40 volume?

Thank you for reaching out to us at Wella Color Charm to ask this product question. The Volume of Developer you use depends on multiple things. Deciding what Volume to use depends on the hair you are applying it to. Things like has it been colored, lightened or chemically treated before? What level is the current hair and what level are you trying to achieve? If there is gray hair we are trying to cover? If you are trying to lift with color on natural hair how many level are you trying to lift? As you see its not a simple answer and depends on many things. The difference between 20 Volume and 40 Volume is that 40 Volume is for extreme changes to the hair. 20 Volume is used for 100% gray coverage with Wella Color Charm Permanent Hair Color. There are many other differences however, this is the easiest way to understand the basics. If you have more questions please give our Licensed Stylist's a call at 1-866-722-4146 we will be happy to explain more to you. Have a Beautiful Wella Color Charm Hair Day!

Will lightening my dark brown roots with 20 vol with an ash brown toner lighten my hair or does it have to be blonde?

Thank you for being a Wella customer and asking this great question today. Using our Wella Color Charm Developer 20 volume combined with a Toner will not lighten the hair. Toners are used to tone out at the same level of hair unwanted tones. They do not lighten or darken hair only change the tonal value of shade. I hope this answered your question today. Have a Beautiful Wella Hair Day!

is this the same as salon care 40?

Mmmm not really. It’s a bit more watery but it gets the job done.

Can you use this with any brand powder lightener? I have a bucket of loreal quick blue and want to be sure i can use them together. .

Sure can. That’s what I used.

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🎨 Unlock salon-grade color mastery with every strand!

PRECISION GEL FORMULA - Stay-on-target saturation for flawless color
COMPACT TRAVEL READY - 3.6 fl oz size fits your on-the-go lifestyle
POWERFUL 40 VOLUME DEVELOPER - Optimal gray blending with vibrant lift
RICH MULTI DIMENSIONAL COLOR - Depth and dimension that turns heads
TRUSTED PROFESSIONAL QUALITY - From Coty Inc., the Wella Color Charm legacy

Color Charm Cream Hair Developer 40 Volume is a professional-grade hair coloring activator designed to deliver optimal gray blending and rich, multi-dimensional color results. Its precise gel formula ensures targeted application and saturation, making it ideal for achieving vibrant, long-lasting hair color. Packaged in a compact 3.6 fl oz bottle, it combines trusted Coty Inc. quality with convenience for both salon and at-home use.

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