Bc color freeze sulfate free shampoo is a gentle formula for colour treated hair the sulphate free technology gives a high level of colour retention even after 30 washes up to 90 of the original colour brilliance is maintained sulphate free cleansing system gently cleanses the hair and scalp moringa oleifera also known as hero ingredient from igora royal the colour of imagination in order to achieve a long lasting colour it is vital that the hair structure is healthy and protected amin