The Osmo Super Cool shampoo is 100% sulphate free, making it gentler and kinder on the hair. It has an intensely nourishing formula designed for use on salon... This shampoo effectively cleans the scalp, washes hair thoroughly, and restores its natural beauty. It neutralises orange undertones in your hair and prolongs hair colour. How to use: Apply an appropriate amount of shampoo to wet hair. Work up a lather and rinse thoroughly.