Plum White Shampoo is an 50: 1 ultra high concentrate whitening shampoo that does not contain soap or detergent. Plum White makes white coats whiter and brighter and leaves the coat soft and fluffy. Plum White gently removes grease, oil, dirt, food and pool stains. Pum White is mild, pH balanced, natural bio-degradable and safe to use with flea control drops.