Shop › REDKEN BLONDAGE SHAMPOO AND CONDITIONER DUO 500ML Image 1 of 1 REDKEN BLONDAGE SHAMPOO AND CONDITIONER DUO 500ML $117.00 A limited edition 500ml Redken Blondage Shampoo and Conditioner Duo, designed to tone and restore blonde hair. Add To Cart Added! A limited edition 500ml Redken Blondage Shampoo and Conditioner Duo, designed to tone and restore blonde hair.