Color Charm 20 Volume Creme Developer BY Wella for Unisex 32 oz Lightener

Wella color charm creme developer is specially stabilized for use with all permanent hair colors. Great for covering white/gray hair or lightening natural hair color. Use whenever coloring directions call for 40 volume developer. Wella® colorcharm® 40 volume creme developer is formulated specifically for colorcharm® haircolor. Provides proper level of activation for effective color deposit without lift. Specially stabilized for use with all permanent haircolors. Great for covering white/gray hair or lightening natural hair color.