Cream shampoo for hair cleansing Redken | Purifying Shampoo Redken. This shampoo will help cleanse your hair of mineral residue, limescale from water, or residue from other hair products you may have. Its formula contains natural fruit acids that will help purify hair, adding shine and freshness. It also contains powerful chelating agents that help minerals become more soluble and easier to remove from the hair and scalp. All this will leave you with shiny, healthy hair free of impurities.