Londa Professional Londacolor 6% / Vol.20 Developer Emulsion is designed to be used with Londa hair color products to achieve optimal coloring results. This developer emulsion ensures a perfect blend with hair dye, providing the necessary lift and color development for vibrant and long-lasting hair color. The 6% volume is suitable for various coloring techniques, allowing for both subtle and bold transformations. It is ideal for all hair types and helps to maintain hair's integrity while delivering excellent coloring performance.