colorglow[IQ] Goldwell colorglow [IQ] is the first haircare product line that understands color.

A truly scientific approach to color retention. You spend the money on it so you want to keep it - your hair color that is! Colorglow[IQ] is the only haircare range that truly keeps you color longer.

With unsurpassed color fade resistance Goldwell has formulated three at-home care segments specifically tailored to meet the different hair needs related to the different chemical services: highlighted hair, color-treated hair and all over blonde hair.