Milk_shake color specifics Acid Color Sealer is specifically created to close hair cuticles after each color service to seal in color. Based on Nano Bio Genius technology. Contains milk protein with a strong integrating and conditioning action within the hair cortex. Conditioning and moisturizing agents condition hair, leaving it soft, shiny and easy to style. Aloe vera extract (8%) has a soothing, anti-irritant and calming action on the skin, while hydrating and softening the hair. milk_shake color specifics acid color sealer has a pH balance of 3.5.