Ugly Duckling Los Angeles Professional CREAM DEVELOPER 33 oz (1 liter). Cream developer for salon use, large size. Use 20 vol Developer (6%) to attain 1-2 levels of lift, 30 vol Developer (9%) for 2-3 levels of lift and 40 vol Developer (12%) for 3 levels of lift and more. Ugly Duckling Cream developer can be used with Ugly Duckling Color and also with all major color brands - Matrix, Paul Mitchell, Redken, L'Oreal, Wella etc. Get consistent color results with a professional cream developer. Made in Europe