Advantage 20 Volume Creme DeveloperClear and Creme Peroxide DevelopersBoth Peroxide Developers are recommended for use with all brands of professional hair coloring and tinting. Both Peroxide Developers are pH balanced.Creme Peroxide Developers:It has a creamy consistency and can be used as a substitute for liquid peroxide. Our Creme Peroxide Developers stay full strength with repeated openings and are available in 10, 20, 30 and 40 volume.Advantage 20 Volume Creme Developer