pre-color equalizer milk shake color specifics pro color equalizer balances and strengthens hair's structure before coloring, ensuring a well-blended color. Based on Nano Bio Genius technology. milk shake color specifics pro color equalizer contains milk protein for a strong integrative and conditioning action inside hair's cortex, and a cationic conditioning agent that removes static. Hydrating and soothing agents moisturize and protect hair, making it silky, soft, shiny and easy to comb. Panthenol and pro-vitamin B5 strengthen, condition and protect hair, increasing its thickness.