An ideal treat for delicate highlighted locks the pureology perfect 4 platinum duo works to maintain salon vibrancy whilst strengthening and protecting hair the set contains pureology perfect 4 platinum shampoo 1000ml specially formulated for fragile highlighted and highly lifted hair the high performance shampoo will help to retain vibrancy with its zerosulfate formula 100 vegan it contains ultra fortifying ingredients which offer extraordinary colour protection clarity and stren