Redken Color Extend Blondage Shampoo Information Buy any 2 Redken items and get 2 GWP's for free.While stocks last.Redken's deep purple anti-brass shampoo has violet pigment and Triple Acid Protein complex to tone, strengthen and brighten all in one for a brighter, stronger blonde. £17.21 300ml Sorry, product is not in stock at the moment.