Wella Color Charm 20 Volume Cream Developer is specifically formulated for use with Wella Color Charm Hair Color. Although specially stabilized for use with all permanent hair colors, Wella Color Charm Cream Developer is particularly great for covering white/gray hair or lightening natural hair color. Use whenever coloring directions call for 20 volume developer.

Mix 1 part Wella Color Charm Color (or any permanent hair color) with 2 parts Well Color Charm Cream Developer.
Apply to the hair using your desired technique, develop for 30 minutes and up to 45 minutes if additional depth or gray coverage is needed.