What It Does Ice Blonde Anti-Yellow Detangler is a leave-in, instant porosity equaliser with neutralising Violet & Blue Pigments to revive cool blonde tones in colour-treated, lightened or grey hair types. Restores moisture and the correct natural pH balance. Provides UV Filter and heat protection. Enriched with strengthening Creatine and Iceplex Bond Builder Technology©, a supercharged complex of Amino Acids designed to build keratin, penetrating into the hair cortex and restoring it from within.