Give your hair a helping hand with pureology perfect 4 platinum shampoo specially formulated for fragile highlighted and highly lifted hair it will help your hair retain its fresh from the salon vibrancy with its zero sulfate benefits no sulfate formula derived from coconut corn and sugar rich lather easy rinsing gentle cleansing helps maintain colour radiance luxurious formula directions apply a quarterten pence sized amount to wet hair and lather rinse repeat if necessary