milk_shake color specifics acid color sealer is specifically created to close hair cuticles after every color service to seal in the color. Based on Nano Bio Genius technology. Contains milk protein with a strong integrative and conditioning action inside the hair?s cortex. Conditioning and moisturizing agents condition hair, making it soft, bright and easy to comb. Aloe vera extract (8%) has a calming, anti-irritant and soothing action on the skin, while making hair moisturized and soft.